{"title":"Koch Pleated Air Filters by the Case | MERV 8, 11 \u0026 13","description":"\u003cp\u003eKoch Filter Multi-Pleat air filters for furnaces, heat pumps, air handlers and commercial HVAC systems, sold by the full case. We stock more than 150 Koch filters in 1\", 2\", 4\" and 5\" depths, from common sizes like 16x20x1 and 20x25x1 to hard-to-find and custom sizes. Every listing shows the Koch part number, the actual filter dimensions and the case quantity.\u003c\/p\u003e\n\n\u003ch2\u003eShop by MERV Rating\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/koch\/merv-8\"\u003e\u003cstrong\u003eMERV 8: Multi-Pleat XL8\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eThe everyday standard for homes and light commercial systems. 100% mechanical media with low airflow resistance.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/koch\/merv-11\"\u003e\u003cstrong\u003eMERV 11: Multi-Pleat XL11\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eA step up that adds finer dust and pet dander, with only a modest increase in resistance.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/koch\/merv-13\"\u003e\u003cstrong\u003eMERV 13: Multi-Pleat Green13\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eKoch's high-efficiency pleated filter for hospitals, labs, offices and homes that want the highest efficiency their system can handle.\u003c\/p\u003e\n\u003cp\u003eReplacing media in a Trion Air Bear air cleaner? Koch's Series AB filters are available in MERV 8 and MERV 11.\u003c\/p\u003e\n\n\u003ch2\u003eFinding Your Size\u003c\/h2\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The actual filter is about 1\/2\" smaller so it slides into the slot. Match the size printed on your old filter rather than measuring the opening. Can't find it, or need an odd size? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of your current filter\u003c\/a\u003e and we'll match it.\u003c\/p\u003e\n\n\u003ch2\u003eHow Many Do I Need?\u003c\/h2\u003e\n\u003cp\u003e1\" and 2\" filters come 12 to a case, 4\" filters 6 to a case, and 5\" media filters 3 to a case. Check 1\" and 2\" filters monthly and replace them at least every three months. Deeper 4\" and 5\" filters typically last 6–12 months. A 12-pack covers three years of quarterly changes for one system, or a full year for three.\u003c\/p\u003e\n\n\u003ch2\u003eFor Facilities and Contractors\u003c\/h2\u003e\n\u003cp\u003eKoch part numbers are listed on every product so you can match your specs exactly. We offer bulk and recurring orders through our \u003ca href=\"\/pages\/the-hfs-wholesale-program\"\u003ewholesale program\u003c\/a\u003e and \u003ca href=\"\/pages\/tax-exempt-registration\"\u003etax-exempt purchasing\u003c\/a\u003e. Most in-stock orders ship within 1 business day, and special-order sizes are ordered direct from Koch.\u003c\/p\u003e","products":[{"product_id":"80085-011420-14-x-20-x-1-air-filter-12-pack","title":"Koch Multi-Pleat XL8 14 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e14 x 20 x 1\u003c\/strong\u003e filter (14x20x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e13-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 x 20 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e590 CFM @ 300 FPM | 980 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899105835,"sku":"KCH-102700003-CS12","price":112.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"80085-011425-14-x-25-x-1-air-filter-12-pack","title":"Koch Multi-Pleat XL8 14 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e14 x 25 x 1\u003c\/strong\u003e filter (14x25x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e13-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 x 25 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e730 CFM @ 300 FPM | 1,215 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899138603,"sku":"KCH-102700004-CS12","price":134.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"80085-011520-15-x-20-x-1-air-filter-12-pack","title":"Koch Multi-Pleat XL8 15 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e15 x 20 x 1\u003c\/strong\u003e filter (15x20x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e14-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 x 20 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e625 CFM @ 300 FPM | 1,050 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899171371,"sku":"KCH-102700005-CS12","price":107.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"80085-011616-16-x-16-x-1-air-filter-12-pack","title":"Koch Multi-Pleat XL8 16 x 16 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e16 x 16 x 1\u003c\/strong\u003e filter (16x16x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 16 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899236907,"sku":"KCH-102041007-CS12","price":118.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"80085-011620-16-x-20-x-1-air-filter-12-pack","title":"Koch Multi-Pleat XL8 16 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e16 x 20 x 1\u003c\/strong\u003e filter (16x20x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-1-merv-11-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 1 MERV 11 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-1-merv-13-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 1 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899269675,"sku":"KCH-102700006-CS12","price":96.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-16-x-25-x-1-merv-8-pleated-air-filter","title":"Koch Multi-Pleat XL8 16 x 25 x 1 MERV 8 Pleated Air Filter","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e16 x 25 x 1\u003c\/strong\u003e filter (16x25x1). It comes in packs of \u003cstrong\u003e4, 6 or 12 filters\u003c\/strong\u003e. At a quarterly change, a 4-pack is one year of filters for one system; a 12-pack is three years for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 25 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e840 CFM @ 300 FPM | 1,400 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4, 6 or 12 filters (see options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 25 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-green13-16x25x1-merv-13-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 16 x 25 x 1 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"12-Pack","offer_id":67395597697265,"sku":"KCH-102700007-CS12","price":83.27,"currency_code":"USD","in_stock":true},{"title":"6-Pack","offer_id":67395597992177,"sku":"KCH-102700007-PK6","price":63.27,"currency_code":"USD","in_stock":true},{"title":"4-Pack","offer_id":67395598024945,"sku":"KCH-102700007-PK4","price":55.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-20-x-20-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 20 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e20 x 20 x 1\u003c\/strong\u003e filter (20x20x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 20 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e840 CFM @ 300 FPM | 1,400 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 20 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-20-x-1-merv-13-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 20 x 20 x 1 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899499051,"sku":"KCH-102700008-CS12","price":102.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"80085-012022-20-x-22-x-1-air-filter-12-pack","title":"Koch Multi-Pleat XL8 20 x 22 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e20 x 22 x 1\u003c\/strong\u003e filter (20x22x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-049\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 22 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 22 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-22-x-1-merv-11-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat XL11 20 x 22 x 1 MERV 11 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-22-x-1-merv-13-pleated-air-filter-12-pack\"\u003eKoch 20 x 22 x 1 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899531819,"sku":"KCH-102041049-CS12","price":167.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"p422025-20-x-25-x-2-air-filter-12-pack","title":"Koch Multi-Pleat XL8 20 x 25 x 2 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e20 x 25 x 2\u003c\/strong\u003e filter (20x25x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 24-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 25 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 24-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,050 CFM @ 300 FPM | 1,740 CFM @ 500 FPM | 2,170 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.14\" w.g. @ 300 FPM | 0.25\" w.g. @ 500 FPM | 0.34\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 25 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-xl11-20x25x2-merv-11-air-filter-12-pack\"\u003eKoch Multi-Pleat XL11 20 x 25 x 2 MERV 11 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-25-x-2-merv-13-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 20 x 25 x 2 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899597355,"sku":"KCH-102700021-CS12","price":128.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"koch-multi-pleat-xl8-16-3-8x21-1-2x1-merv-8-air-filter-12-pack","title":"Koch Multi-Pleat XL8 16-3\/8 x 21-1\/2 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It is sized \u003cstrong\u003e16-3\/8 x 21-1\/2 x 1\u003c\/strong\u003e. Koch lists it for Carrier, Bryant and Payne furnaces and air handlers that take a 16-1\/2 x 21-1\/2 x 1 filter. This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eThis filter is made to a less common size for specific equipment, so compare the dimensions printed on your current filter before ordering. The filter itself measures \u003cstrong\u003e16-3\/8\" x 21-3\/8\" x 3\/4\"\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-042\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-3\/8 x 21-1\/2 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-3\/8\" x 21-3\/8\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899662891,"sku":"KCH-102041042-CS12","price":138.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"80085-01499-19-7-8x21-1-2x1-air-filter-12-pack","title":"Koch Multi-Pleat XL8 19-7\/8 x 21-1\/2 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It is sized \u003cstrong\u003e19-7\/8 x 21-1\/2 x 1\u003c\/strong\u003e, a size used in many Carrier, Bryant and Payne furnaces and air handlers. This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eThis filter is made to a less common size for specific equipment, so compare the dimensions printed on your current filter before ordering. The filter itself measures \u003cstrong\u003e19-3\/4\" x 21-3\/8\" x 3\/4\"\u003c\/strong\u003e so it slides into a 19-7\/8 x 21-1\/2 x 1 filter slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP8S1-197-214\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-7\/8 x 21-1\/2 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-3\/4\" x 21-3\/8\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899728427,"sku":"KCH-P8S1197214-CS12","price":486.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"80085-021620-16-x-20-x-2-air-filter-12-pack","title":"Koch Multi-Pleat XL8 16 x 20 x 2 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e16 x 20 x 2\u003c\/strong\u003e filter (16x20x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | 1,400 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.14\" w.g. @ 300 FPM | 0.25\" w.g. @ 500 FPM | 0.34\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-2-merv-11-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 2 MERV 11 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-2-merv-13-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 2 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899793963,"sku":"KCH-102700016-CS12","price":101.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"80085-022020-20-x-20-x-2-air-filter-12-pack","title":"Koch Multi-Pleat XL8 20 x 20 x 2 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e20 x 20 x 2\u003c\/strong\u003e filter (20x20x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 20 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e840 CFM @ 300 FPM | 1,400 CFM @ 500 FPM | 1,740 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.14\" w.g. @ 300 FPM | 0.25\" w.g. @ 500 FPM | 0.34\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 20 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-20-x-2-merv-13-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 20 x 20 x 2 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899892267,"sku":"KCH-102700019-CS12","price":113.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"80085-022024-20-x-24-x-2-air-filter-12-pack","title":"Koch Multi-Pleat XL8 20 x 24 x 2 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e20 x 24 x 2\u003c\/strong\u003e filter (20x24x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 23-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 24 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 23-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,000 CFM @ 300 FPM | 1,675 CFM @ 500 FPM | 2,100 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.14\" w.g. @ 300 FPM | 0.25\" w.g. @ 500 FPM | 0.34\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 24 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-xl11-20x24x2-merv-11-air-filter-12-pack\"\u003eKoch Multi-Pleat XL11 20 x 24 x 2 MERV 11 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":8454899925035,"sku":"KCH-102700020-CS12","price":164.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"koch-air-filter-24x24x1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 24 x 24 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e24 x 24 x 1\u003c\/strong\u003e filter (24x24x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e23-3\/8\" x 23-3\/8\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 x 24 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23-3\/8\" x 23-3\/8\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,200 CFM @ 300 FPM | 2,000 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":11700044955691,"sku":"KCH-102700010-CS12","price":117.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-18-x-18-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 18 x 18 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes an \u003cstrong\u003e18 x 18 x 1\u003c\/strong\u003e filter (18x18x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 x 18 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":15113893281835,"sku":"KCH-102041009-CS12","price":139.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-18x20x1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 18 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes an \u003cstrong\u003e18 x 20 x 1\u003c\/strong\u003e filter (18x20x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 x 20 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 18 x 20 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-18x20x1-merv-13-air-filter-12-pack\"\u003eKoch 18 x 20 x 1 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":15534172766251,"sku":"KCH-102041015-CS12","price":129.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-16-x-25-x-2-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 16 x 25 x 2 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e16 x 25 x 2\u003c\/strong\u003e filter (16x25x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 24-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 25 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 24-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e840 CFM @ 300 FPM | 1,400 CFM @ 500 FPM | 1,740 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.14\" w.g. @ 300 FPM | 0.25\" w.g. @ 500 FPM | 0.34\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 25 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-green13-16x25x2-merv-13-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 16 x 25 x 2 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":15707457323051,"sku":"KCH-102700017-CS12","price":113.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-3-pack","title":"Koch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 3 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e16 x 20 x 4\u003c\/strong\u003e filter (16x20x4). This case contains \u003cstrong\u003e3 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is 18 months to three years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | 1,400 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.11\" w.g. @ 300 FPM | 0.27\" w.g. @ 500 FPM | 0.39\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 4\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-8-multi-pleat-xl8-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat XL8 16 x 20 x 4 MERV 8 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-3-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 3 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":37813574959278,"sku":"KCH-P13M41620-CS3","price":166.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_1Pk.webp?v=1773584690"},{"product_id":"koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-6-pack","title":"Koch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 6 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL11 is a MERV 11 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers, one step up in efficiency from a standard MERV 8 filter. It fits any system that takes a \u003cstrong\u003e16 x 20 x 4\u003c\/strong\u003e filter (16x20x4). This case contains \u003cstrong\u003e6 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is three to six years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL11 uses 100% mechanical filter media rated MERV 11, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-499-025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 11 (ASHRAE 52.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDust Spot Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45% initial | 55–60% average (ASHRAE 52.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | 1,400 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.13\" w.g. @ 300 FPM | 0.29\" w.g. @ 500 FPM | 0.45\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 11 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 11 captures at least 65% of particles in the 1–3 micron range and at least 85% in the 3–10 micron range under ASHRAE 52.2. That adds finer dust and pet dander to everything a MERV 8 filter stops, with only a modest increase in airflow resistance.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 4\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-8-multi-pleat-xl8-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat XL8 16 x 20 x 4 MERV 8 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-3-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 3 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-3-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 3 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":37822336827566,"sku":"KCH-102499025-CS6","price":158.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_6Pk.webp?v=1773584524"},{"product_id":"koch-air-filter-16-x-20-x-4-merv-8-multi-pleat-xl8-pleated-air-filter-6-pack","title":"Koch Multi-Pleat XL8 16 x 20 x 4 MERV 8 Pleated Air Filter - 6 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e16 x 20 x 4\u003c\/strong\u003e filter (16x20x4). This case contains \u003cstrong\u003e6 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is three to six years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | 1,400 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.09\" w.g. @ 300 FPM | 0.18\" w.g. @ 500 FPM | 0.25\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 4\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-3-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 3 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-3-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 3 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":37822356226222,"sku":"KCH-102700025-CS6","price":134.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_6Pk.webp?v=1773584524"},{"product_id":"koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-6-pack","title":"Koch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 6 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e16 x 20 x 4\u003c\/strong\u003e filter (16x20x4). This case contains \u003cstrong\u003e6 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is three to six years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | 1,400 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.11\" w.g. @ 300 FPM | 0.27\" w.g. @ 500 FPM | 0.39\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 4\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-8-multi-pleat-xl8-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat XL8 16 x 20 x 4 MERV 8 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-3-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 3 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-3-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 3 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":37822365991086,"sku":"KCH-P13M41620-CS6","price":277.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_6Pk.webp?v=1773584524"},{"product_id":"koch-air-filter-24-x-24-x-4-merv-13-pleated-air-filter-4-pack","title":"Koch Multi-Pleat Green13 24 x 24 x 4 MERV 13 Pleated Air Filter - 6 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e24 x 24 x 4\u003c\/strong\u003e filter (24x24x4). This case contains \u003cstrong\u003e6 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is three to six years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e23-3\/8\" x 23-3\/8\" x 3-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 x 24 x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23-3\/8\" x 23-3\/8\" x 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,200 CFM @ 300 FPM | 2,000 CFM @ 500 FPM | 2,500 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.11\" w.g. @ 300 FPM | 0.27\" w.g. @ 500 FPM | 0.39\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 24 x 24 x 4\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-xl8-24x24x4-merv-8-air-filter-6-pack\"\u003eKoch Multi-Pleat XL8 24 x 24 x 4 MERV 8 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":39684657741998,"sku":"KCH-102714031-CS6","price":363.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_6Pk.webp?v=1773584524"},{"product_id":"koch-air-filter-20-x-25-x-4-merv-8-pleated-air-filter-6-pack","title":"Koch Multi-Pleat XL8 20 x 25 x 4 MERV 8 Pleated Air Filter - 6 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e20 x 25 x 4\u003c\/strong\u003e filter (20x25x4). This case contains \u003cstrong\u003e6 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is three to six years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 24-1\/2\" x 3-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-030\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 25 x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 24-1\/2\" x 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,050 CFM @ 300 FPM | 1,740 CFM @ 500 FPM | 2,170 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.09\" w.g. @ 300 FPM | 0.18\" w.g. @ 500 FPM | 0.25\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 25 x 4\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-25-x-4-merv-13-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat Green13 20 x 25 x 4 MERV 13 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":40397687292078,"sku":"KCH-102700030-CS6","price":163.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_6Pk.webp?v=1773584524"},{"product_id":"koch-air-filter-18-x-25-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 18 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes an \u003cstrong\u003e18 x 25 x 1\u003c\/strong\u003e filter (18x25x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e17-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 x 25 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e940 CFM @ 300 FPM | 1,570 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":41143815962798,"sku":"KCH-102041011-CS12","price":146.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-24-x-30-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 24 x 30 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e24 x 30 x 1\u003c\/strong\u003e filter (24x30x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 x 30 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":41379920511150,"sku":"KCH-102041013-CS12","price":167.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-24-x-24-x-2-merv-11-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL11 24 x 24 x 2 MERV 11 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL11 is a MERV 11 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers, one step up in efficiency from a standard MERV 8 filter. It fits any system that takes a \u003cstrong\u003e24 x 24 x 2\u003c\/strong\u003e filter (24x24x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL11 uses 100% mechanical filter media rated MERV 11, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e23-3\/8\" x 23-3\/8\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-499-022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 x 24 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23-3\/8\" x 23-3\/8\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 11 (ASHRAE 52.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDust Spot Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45% initial | 55–60% average (ASHRAE 52.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,200 CFM @ 300 FPM | 2,000 CFM @ 500 FPM | 2,500 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.14\" w.g. @ 300 FPM | 0.31\" w.g. @ 500 FPM | 0.51\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 11 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 11 captures at least 65% of particles in the 1–3 micron range and at least 85% in the 3–10 micron range under ASHRAE 52.2. That adds finer dust and pet dander to everything a MERV 8 filter stops, with only a modest increase in airflow resistance.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 24 x 24 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-xl8-24x24x2-merv-8-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 24 x 24 x 2 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-xl8-high-capacity-24x24x2-merv-8-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 High Capacity 24 x 24 x 2 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-green13-24x24x2-merv-13-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 24 x 24 x 2 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":42341186961649,"sku":"KCH-102499022-CS12","price":236.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"koch-air-filter-20-x-22-x-1-merv-13-pleated-air-filter-12-pack","title":"Koch 20 x 22 x 1 MERV 13 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThis Koch Filter pleated air filter is a MERV 13 replacement for furnaces, heat pumps and air handlers. It fits any system that takes a \u003cstrong\u003e20 x 22 x 1\u003c\/strong\u003e filter (20x22x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-101-049\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 22 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 22 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/80085-012022-20-x-22-x-1-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 20 x 22 x 1 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-22-x-1-merv-11-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat XL11 20 x 22 x 1 MERV 11 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":43530510336241,"sku":"KCH-102101049-CS12","price":264.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-20-x-22-x-1-merv-11-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL11 20 x 22 x 1 MERV 11 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL11 is a MERV 11 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers, one step up in efficiency from a standard MERV 8 filter. It fits any system that takes a \u003cstrong\u003e20 x 22 x 1\u003c\/strong\u003e filter (20x22x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL11 uses 100% mechanical filter media rated MERV 11, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-091-049\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 22 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 11 (ASHRAE 52.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDust Spot Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45% initial | 55–60% average (ASHRAE 52.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 11 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 11 captures at least 65% of particles in the 1–3 micron range and at least 85% in the 3–10 micron range under ASHRAE 52.2. That adds finer dust and pet dander to everything a MERV 8 filter stops, with only a modest increase in airflow resistance.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 22 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/80085-012022-20-x-22-x-1-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 20 x 22 x 1 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-22-x-1-merv-13-pleated-air-filter-12-pack\"\u003eKoch 20 x 22 x 1 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":43540738670833,"sku":"KCH-102091049-CS12","price":221.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-16-x-20-x-1-merv-11-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL11 16 x 20 x 1 MERV 11 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL11 is a MERV 11 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers, one step up in efficiency from a standard MERV 8 filter. It fits any system that takes a \u003cstrong\u003e16 x 20 x 1\u003c\/strong\u003e filter (16x20x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL11 uses 100% mechanical filter media rated MERV 11, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-499-006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 11 (ASHRAE 52.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDust Spot Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45% initial | 55–60% average (ASHRAE 52.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.16\" w.g. @ 300 FPM | 0.37\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 11 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 11 captures at least 65% of particles in the 1–3 micron range and at least 85% in the 3–10 micron range under ASHRAE 52.2. That adds finer dust and pet dander to everything a MERV 8 filter stops, with only a modest increase in airflow resistance.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/80085-011620-16-x-20-x-1-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 16 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-1-merv-13-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 1 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":43869248061681,"sku":"KCH-102499006-CS12","price":126.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-16-x-20-x-1-merv-13-pleated-air-filter-12-pack","title":"Koch Multi-Pleat Green13 16 x 20 x 1 MERV 13 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e16 x 20 x 1\u003c\/strong\u003e filter (16x20x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.50\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/80085-011620-16-x-20-x-1-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 16 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-1-merv-11-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 1 MERV 11 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":43869248487665,"sku":"KCH-102714006-CS12","price":197.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-20-x-25-x-2-merv-13-pleated-air-filter-12-pack","title":"Koch Multi-Pleat Green13 20 x 25 x 2 MERV 13 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e20 x 25 x 2\u003c\/strong\u003e filter (20x25x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 24-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 25 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 24-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,050 CFM @ 300 FPM | 1,740 CFM @ 500 FPM | 2,170 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.12\" w.g. @ 300 FPM | 0.29\" w.g. @ 500 FPM | 0.41\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 25 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/p422025-20-x-25-x-2-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 20 x 25 x 2 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-xl11-20x25x2-merv-11-air-filter-12-pack\"\u003eKoch Multi-Pleat XL11 20 x 25 x 2 MERV 11 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":43904444629233,"sku":"KCH-102714021-CS12","price":465.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"koch-air-filter-20-x-20-x-2-merv-13-pleated-air-filter-12-pack","title":"Koch Multi-Pleat Green13 20 x 20 x 2 MERV 13 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e20 x 20 x 2\u003c\/strong\u003e filter (20x20x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 20 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e840 CFM @ 300 FPM | 1,400 CFM @ 500 FPM | 1,740 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.12\" w.g. @ 300 FPM | 0.29\" w.g. @ 500 FPM | 0.41\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 20 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/80085-022020-20-x-20-x-2-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 20 x 20 x 2 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":43904446005489,"sku":"KCH-102714019-CS12","price":387.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"koch-air-filter-20-x-25-x-4-merv-13-pleated-air-filter-6-pack","title":"Koch Multi-Pleat Green13 20 x 25 x 4 MERV 13 Pleated Air Filter - 6 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e20 x 25 x 4\u003c\/strong\u003e filter (20x25x4). This case contains \u003cstrong\u003e6 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is three to six years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 24-1\/2\" x 3-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-030\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 25 x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 24-1\/2\" x 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,050 CFM @ 300 FPM | 1,740 CFM @ 500 FPM | 2,170 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.11\" w.g. @ 300 FPM | 0.27\" w.g. @ 500 FPM | 0.39\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 25 x 4\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-25-x-4-merv-8-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat XL8 20 x 25 x 4 MERV 8 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":43904448790769,"sku":"KCH-102714030-CS6","price":487.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_6Pk.webp?v=1773584524"},{"product_id":"koch-air-filter-20-x-20-x-4-merv-13-pleated-air-filter-6-pack","title":"Koch Multi-Pleat Green13 20 x 20 x 4 MERV 13 Pleated Air Filter - 6 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e20 x 20 x 4\u003c\/strong\u003e filter (20x20x4). This case contains \u003cstrong\u003e6 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is three to six years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-028\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 20 x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e840 CFM @ 300 FPM | 1,400 CFM @ 500 FPM | 1,740 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.11\" w.g. @ 300 FPM | 0.27\" w.g. @ 500 FPM | 0.39\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 20 x 4\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-xl8-20x20x4-merv-8-air-filter-6-pack\"\u003eKoch Multi-Pleat XL8 20 x 20 x 4 MERV 8 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-xl11-20x20x4-merv-11-air-filter-6-pack\"\u003eKoch Multi-Pleat XL11 20 x 20 x 4 MERV 11 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":43904449741041,"sku":"KCH-102714028-CS6","price":297.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_6Pk.webp?v=1773584524"},{"product_id":"koch-air-filter-14-x-24-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 14 x 24 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e14 x 24 x 1\u003c\/strong\u003e filter (14x24x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 x 24 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":44346210713841,"sku":"KCH-102041005-CS12","price":144.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-20-x-20-x-1-merv-13-pleated-air-filter-12-pack","title":"Koch Multi-Pleat Green13 20 x 20 x 1 MERV 13 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e20 x 20 x 1\u003c\/strong\u003e filter (20x20x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 20 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 19-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e840 CFM @ 300 FPM | 1,400 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.50\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 20 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-20-x-20-x-1-merv-8-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 20 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":44402185896177,"sku":"KCH-102714008-CS12","price":336.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-20-x-25-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 20 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e20 x 25 x 1\u003c\/strong\u003e filter (20x25x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e19-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 25 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,050 CFM @ 300 FPM | 1,740 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 20 x 25 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-green13-20x25x1-merv-13-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 20 x 25 x 1 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":44997604376817,"sku":"KCH-102700009-CS12","price":89.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-14-x-14-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 14 x 14 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e14 x 14 x 1\u003c\/strong\u003e filter (14x14x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 x 14 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":46108582904049,"sku":"KCH-102041004-CS12","price":121.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-18-x-30-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 18 x 30 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes an \u003cstrong\u003e18 x 30 x 1\u003c\/strong\u003e filter (18x30x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-044\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 x 30 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":46108585001201,"sku":"KCH-102041044-CS12","price":122.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-25-x-25-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 25 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e25 x 25 x 1\u003c\/strong\u003e filter (25x25x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e24-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 x 25 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24-1\/2\" x 24-1\/2\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,310 CFM @ 300 FPM | 2,170 CFM @ 500 FPM | not rated @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.26\" w.g. @ 300 FPM | 0.51\" w.g. @ 500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":46673576919281,"sku":"KCH-102041014-CS12","price":198.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-16-x-20-x-2-merv-11-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL11 16 x 20 x 2 MERV 11 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL11 is a MERV 11 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers, one step up in efficiency from a standard MERV 8 filter. It fits any system that takes a \u003cstrong\u003e16 x 20 x 2\u003c\/strong\u003e filter (16x20x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL11 uses 100% mechanical filter media rated MERV 11, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-499-016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 11 (ASHRAE 52.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDust Spot Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45% initial | 55–60% average (ASHRAE 52.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | 1,400 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.14\" w.g. @ 300 FPM | 0.31\" w.g. @ 500 FPM | 0.51\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 11 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 11 captures at least 65% of particles in the 1–3 micron range and at least 85% in the 3–10 micron range under ASHRAE 52.2. That adds finer dust and pet dander to everything a MERV 8 filter stops, with only a modest increase in airflow resistance.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/80085-021620-16-x-20-x-2-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 16 x 20 x 2 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-2-merv-13-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 2 MERV 13 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":47712300368113,"sku":"KCH-102499016-CS12","price":84.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-3-pack","title":"Koch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 3 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL11 is a MERV 11 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers, one step up in efficiency from a standard MERV 8 filter. It fits any system that takes a \u003cstrong\u003e16 x 20 x 4\u003c\/strong\u003e filter (16x20x4). This case contains \u003cstrong\u003e3 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is 18 months to three years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL11 uses 100% mechanical filter media rated MERV 11, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-499-025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 3-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 11 (ASHRAE 52.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDust Spot Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45% initial | 55–60% average (ASHRAE 52.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | 1,400 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.13\" w.g. @ 300 FPM | 0.29\" w.g. @ 500 FPM | 0.45\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 11 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 11 captures at least 65% of particles in the 1–3 micron range and at least 85% in the 3–10 micron range under ASHRAE 52.2. That adds finer dust and pet dander to everything a MERV 8 filter stops, with only a modest increase in airflow resistance.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 4\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-8-multi-pleat-xl8-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat XL8 16 x 20 x 4 MERV 8 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-11-multi-pleat-xl11-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 4 MERV 11 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-3-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 3 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-4-merv-13-multi-pleat-green13-pleated-air-filter-6-pack\"\u003eKoch Multi-Pleat Green13 16 x 20 x 4 MERV 13 Pleated Air Filter - 6 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":47936449315057,"sku":"KCH-102499025-CS3","price":74.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_1Pk.webp?v=1773584690"},{"product_id":"koch-multi-pleat-xl11-merv-11-14x22x1-air-filter-12-pack","title":"Koch Multi-Pleat XL11 14 x 22 x 1 MERV 11 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL11 is a MERV 11 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers, one step up in efficiency from a standard MERV 8 filter. It fits any system that takes a \u003cstrong\u003e14 x 22 x 1\u003c\/strong\u003e filter (14x22x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL11 uses 100% mechanical filter media rated MERV 11, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eThis filter is made to a less common size for specific equipment, so compare the dimensions printed on your current filter, or measure it, before ordering.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP62R13875218751\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 x 22 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 11 (ASHRAE 52.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDust Spot Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45% initial | 55–60% average (ASHRAE 52.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 11 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 11 captures at least 65% of particles in the 1–3 micron range and at least 85% in the 3–10 micron range under ASHRAE 52.2. That adds finer dust and pet dander to everything a MERV 8 filter stops, with only a modest increase in airflow resistance.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 14 x 22 x 1\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-multi-pleat-xl8-14x22x1-merv-8-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 14 x 22 x 1 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":47962226819313,"sku":"KCH-P62R13875218751-CS12","price":294.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-air-filter-14-x-30-x-1-merv-8-pleated-air-filter-12-pack","title":"Koch Multi-Pleat XL8 14 x 30 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e14 x 30 x 1\u003c\/strong\u003e filter (14x30x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-041-039\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 x 30 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":48005686427889,"sku":"KCH-102041039-CS12","price":164.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-multi-pleat-xl8-merv-8-14x25x2-12-pack","title":"Koch Multi-Pleat XL8 14 x 25 x 2 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes a \u003cstrong\u003e14 x 25 x 2\u003c\/strong\u003e filter (14x25x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e13-1\/2\" x 24-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-700-014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 x 25 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-1\/2\" x 24-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e730 CFM @ 300 FPM | 1,215 CFM @ 500 FPM | 1,520 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.14\" w.g. @ 300 FPM | 0.25\" w.g. @ 500 FPM | 0.34\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":48070410862833,"sku":"KCH-102700014-CS12","price":137.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"koch-air-filter-16-x-20-x-2-merv-13-pleated-air-filter-12-pack","title":"Koch Multi-Pleat Green13 16 x 20 x 2 MERV 13 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Green13 is a MERV 13 high-efficiency pleated filter for furnaces, heat pumps and air handlers in homes and commercial buildings. It fits any system that takes a \u003cstrong\u003e16 x 20 x 2\u003c\/strong\u003e filter (16x20x2). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eGreen13 combines an electrostatically charged polypropylene media layer with a spunbonded backing scrim and a laminated galvanized expanded-metal support grid, inside a double-wall, moisture-resistant beverage-board frame with reinforced corners. Koch specifies it for applications such as hospitals, laboratories, pharmaceutical plants and commercial office buildings, and notes that it can earn points toward LEED certification. It installs the same way as any standard pleated filter of the same size.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot; this one measures \u003cstrong\u003e15-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/strong\u003e. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat Green13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-714-016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 20 x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-1\/2\" x 19-1\/2\" x 1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 13 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged polypropylene with spunbonded scrim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e670 CFM @ 300 FPM | 1,115 CFM @ 500 FPM | 1,400 CFM @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.12\" w.g. @ 300 FPM | 0.29\" w.g. @ 500 FPM | 0.41\" w.g. @ 625 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Final Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" w.g.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 13 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures at least 50% of particles in the 0.3–1 micron range, 85% in the 1–3 micron range and 90% in the 3–10 micron range under ASHRAE 52.2. Higher efficiency can mean more airflow resistance, so if your system is older or already struggles for airflow, compare the resistance figures above with your equipment manual, or consider MERV 11.\u003c\/p\u003e\n\u003ch3\u003eOther Koch Options in 16 x 20 x 2\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/80085-021620-16-x-20-x-2-air-filter-12-pack\"\u003eKoch Multi-Pleat XL8 16 x 20 x 2 MERV 8 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/koch-air-filter-16-x-20-x-2-merv-11-pleated-air-filter-12-pack\"\u003eKoch Multi-Pleat XL11 16 x 20 x 2 MERV 11 Pleated Air Filter - 12 Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":48169908338929,"sku":"KCH-102714016-CS12","price":330.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_2in_Filters_12Pk.webp?v=1773584846"},{"product_id":"koch-air-filter-16-x-25-x-5-merv-8-multi-pleat-pleated-air-filter-3-pack","title":"Koch Multi-Pleat Series AB 16 x 25 x 5 MERV 8 Pleated Air Filter - 3 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat Series AB is a MERV 8 pleated media filter built as a replacement for whole-home air cleaner cabinets. It fits any system that takes a \u003cstrong\u003e16 x 25 x 5\u003c\/strong\u003e filter (16x25x5). This case contains \u003cstrong\u003e3 filters\u003c\/strong\u003e. At a typical 6–12 month change, that is 18 months to three years of filters for one system.\u003c\/p\u003e\n\u003cp\u003eSeries AB uses a moisture-resistant frame that stays rigid in high humidity, galvanized wire on the downstream side to hold the media in place, built-in support fingers that keep the pleats evenly spaced, and a factory-installed gasket to seal the filter in the cabinet.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. Five-inch media filters are built for specific air cleaner cabinets, and their actual dimensions vary from brand to brand, so compare the actual dimensions printed on your current filter before ordering.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeries AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102-718-010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 x 25 x 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMoisture-resistant, with factory-installed gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized wire downstream, built-in support fingers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.07\" w.g. @ 300 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly. Deeper filters hold far more dust than 1\" filters and typically last 6–12 months, or 3–6 months in homes with pets or heavy dust. Follow your equipment manual if it calls for a different interval. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":67230138073329,"sku":"KCH-102718010-CS3","price":167.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_4in_Filters_1Pk.webp?v=1773584690"},{"product_id":"koch-multi-pleat-xl8-7x30-1-2x1-merv-8-air-filter-12-pack","title":"Koch Multi-Pleat XL8 7 x 30-1\/2 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It is sized \u003cstrong\u003e7 x 30-1\/2 x 1\u003c\/strong\u003e. This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eThis filter is made to a less common size for specific equipment, so compare the dimensions printed on your current filter, or measure it, before ordering.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP8S1-070-304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 x 30-1\/2 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":67287770792177,"sku":"KCH-P8S1070304-CS12","price":269.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"},{"product_id":"koch-multi-pleat-xl8-8x20x1-merv-8-air-filter-12-pack","title":"Koch Multi-Pleat XL8 8 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack","description":"\u003cdiv class=\"hfs-product-description\"\u003e\n\u003cp\u003eThe Koch Multi-Pleat XL8 is a MERV 8 extended-surface pleated filter for gas and oil furnaces, heat pumps and AC air handlers. It fits any system that takes an \u003cstrong\u003e8 x 20 x 1\u003c\/strong\u003e filter (8x20x1). This case contains \u003cstrong\u003e12 filters\u003c\/strong\u003e. At a quarterly change, that is three years of filters for one system, or one year for three systems.\u003c\/p\u003e\n\u003cp\u003eMulti-Pleat XL8 uses 100% mechanical filter media, so its efficiency does not depend on an electrostatic charge that can fade over time. A galvanized expanded-metal support grid is laminated to the media to hold the pleats in shape, the pleats are bonded to the frame to prevent air bypass, and the double-wall, moisture-resistant beverage-board frame with reinforced corners stays rigid in humid conditions.\u003c\/p\u003e\n\u003ch3\u003eIs This the Right Size?\u003c\/h3\u003e\n\u003cp\u003eAir filters are sold by \u003cstrong\u003enominal size\u003c\/strong\u003e, the rounded size printed on the frame of your current filter. The filter itself is made slightly smaller so it slides into the filter slot — typically about 1\/2\" under nominal on length and width, and 3\/4\" deep for a 1\" filter. Match the nominal size printed on your old filter, not a tape measurement of the slot.\u003c\/p\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact-us\"\u003eSend us a photo of the label on your current filter\u003c\/a\u003e and we will confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-Pleat XL8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKoch Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP8S1-080-200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 x 20 x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMERV 8 | MERV-A 8 (ASHRAE 52.2-2007)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% mechanical synthetic media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized expanded metal, laminated to media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-wall moisture-resistant beverage board, reinforced corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat MERV 8 Captures\u003c\/h3\u003e\n\u003cp\u003eMERV 8 is the everyday standard for residential systems. Under ASHRAE 52.2 a MERV 8 filter captures at least 70% of particles in the 3–10 micron range (household dust, lint, pollen, dust mite debris and mold spores) while keeping airflow resistance low enough for virtually any furnace or air handler.\u003c\/p\u003e\n\u003ch3\u003eReplacement Schedule\u003c\/h3\u003e\n\u003cp\u003eCheck the filter monthly and replace it at least every three months — sooner in homes with pets, during renovation work, or whenever it looks loaded with dust. Install it with the airflow arrow on the frame pointing toward the blower.\u003c\/p\u003e\n\u003cp\u003eIn commercial systems, change the filter when pressure drop across it reaches 1.0\" w.g., Koch's recommended final resistance for this filter.\u003c\/p\u003e\n\u003cp\u003eShop all \u003ca href=\"\/collections\/koch\"\u003eKoch Filter air filters\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Koch Filter","offers":[{"title":"Default Title","offer_id":67287770857713,"sku":"KCH-P8S1080200-CS12","price":264.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/files\/Koch_Filter_Twelve.jpg?v=1765124469"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2657\/5818\/collections\/Logo-Koch-Filter-Trimmed-01_a7f35374-1993-48cb-8c6d-d5b71ad06ee1.png?v=1765124199","url":"https:\/\/hepafiltersales.com\/collections\/koch\/merv-11.oembed","provider":"HEPAFilterSales.com","version":"1.0","type":"link"}