Koch High Efficiency Air Filters

Ensure optimal air quality and HVAC efficiency with our selection of Koch furnace air filters. Available in MERV 8, MERV 11, and MERV 13 ratings, these filters effectively capture dust, allergens, and other airborne particles, promoting a healthier indoor environment. Regular filter replacement enhances system performance and prolongs equipment lifespan. Explore our range to find the ideal Koch filter that meets your specific air quality needs.​

  • -21% Sale
Koch Multi-Pleat Replacement Filter - Six Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 X 20 X 4 MERV 13 Multi-Pleat GREEN13 Pleated Air Filter - 6 Pack
Koch Filter
$217.27 USD -21% $271.59 USD
$217.27 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Six Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 x 20 x 4 MERV 11 Multi-Pleat XL11 Pleated Air Filter - 6 Pack
Koch Filter
$139.66 USD -20% $174.57 USD
$139.66 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Six Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 x 20 x 4 MERV 8 Multi-Pleat XL8 Pleated Air Filter - 6 Pack
Koch Filter
$128.66 USD -20% $160.82 USD
$128.66 USD
  • -21% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 19 7/8 x 21 1/2 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$274.34 USD -21% $342.93 USD
$274.34 USD
  • -11% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 3/8 x 21 1/2 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$223.85 USD -11% $249.95 USD
$223.85 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 21 1/2 x 23 5/16 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$203.44 USD -20% $254.30 USD
$203.44 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 20 x 25 x 2 MERV 8 Multi-Pleat Air Filter - 12 Pack
Koch Filter
$139.17 USD -20% $173.96 USD
$139.17 USD
  • -19% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$107.95 USD -19% $132.35 USD
$107.95 USD
  • -11% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$98.89 USD -11% $109.91 USD
$98.89 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 20 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$107.34 USD -20% $134.16 USD
$107.34 USD
  • -18% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 24 x 24 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$97.49 USD -18% $117.67 USD
$97.49 USD
  • -13% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 13 x 21 1/2 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$144.49 USD -13% $164.95 USD
$144.49 USD
  • -11% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 20 x 22 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$179.58 USD -11% $199.95 USD
$179.58 USD
  • -38% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 x 25 x 2 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$77.79 USD -38% $123.49 USD
$77.79 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 18 x 18 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$109.95 USD -20% $137.43 USD
$109.95 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 17 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$203.23 USD -20% $254.03 USD
$203.23 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 14 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$131.27 USD -20% $164.08 USD
$131.27 USD
  • -6% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 20 x 20 x 2 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$132.34 USD -6% $140.43 USD
$132.34 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 x 20 x 2 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$86.28 USD -20% $107.85 USD
$86.28 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 16 x 16 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$114.99 USD -20% $143.73 USD
$114.99 USD
  • -11% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 15 x 20 x 1 MERV 8 Air Filter - 12 Pack
Koch Filter
$107.79 USD -11% $119.95 USD
$107.79 USD
  • -17% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 14 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$111.95 USD -17% $134.16 USD
$111.95 USD
  • -17% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 18 x 20 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$105.95 USD -17% $127.42 USD
$105.95 USD
  • -10% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 30 x 30 x 1 MERV 8 MultiPleat Air Filter - 12 Pack
Koch Filter
$408.38 USD -10% $449.95 USD
$408.38 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 20 x 24 x 2 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$155.33 USD -20% $194.16 USD
$155.33 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 24 x 28 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$187.97 USD -20% $234.96 USD
$187.97 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Six Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 24 x 24 x 4 MERV 13 Pleated Air Filter - 6 Pack
Koch Filter
$294.83 USD -20% $368.53 USD
$294.83 USD
  • -20% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 24 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$187.97 USD -20% $234.96 USD
$187.97 USD
  • -17% Sale
Koch Multi-Pleat Replacement Filter - Six Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 20 x 25 x 4 MERV 8 Pleated Air Filter - 6 Pack
Koch Filter
$128.95 USD -17% $154.91 USD
$128.95 USD
  • -16% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 18 x 25 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$118.95 USD -16% $139.95 USD
$118.95 USD
  • -21% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 24 x 30 x 1 MERV 8 Pleated Air Filter - 12 Pack
Koch Filter
$117.34 USD -21% $146.68 USD
$117.34 USD
  • -19% Sale
Koch Multi-Pleat Replacement Filter - Twelve Pack Koch Multi-Pleat Replacement Filter - Single
Koch Air Filter 24 x 24 x 2 MERV 11 Pleated Air Filter - 12 Pack
Koch Filter
$217.43 USD -19% $266.13 USD
$217.43 USD