Clearance & Closeout Air Filters and Equipment

Save on genuine OEM air filters, HEPA filtration equipment and HVAC replacement parts on clearance. This collection includes closeout, overstock and discontinued items from the brands we carry. They're brand-new, authentic products, priced to move.

Quantities are limited and items are removed once they sell out, so check back often. Prices shown are already discounted. No code is needed.

Before You Buy

  • All clearance items are final sale and can't be returned or exchanged. See our return policy.
  • Confirm the fit first. Check your equipment's model number against the compatibility listed on each product page, or contact us before ordering and we'll confirm it for you.
  • Discontinued items may not be restocked. If you rely on a discontinued filter, consider buying enough for the year.

Looking for current-season filters? Shop ductless mini split filters, Abatement Technologies equipment or our annual filter bundles.

  • Product label: Inventory Closeout Sale
Abatement Technologies HC1818-H14 Pharmaceutical-Grade Gel Seal HEPA Filter
  • Product label: Clearance Sale
Honeywell 50000293-004 20 x 12 1/2 Post Filter - 2 Filter Pack Honeywell Home
  • Product label: Clearance Sale
Honeywell 50000293-002 16 x 12 1/2 Post Filter - 2 Filter Pack
  • Product label: Discontinued
  • Product label: Final Sale
Mitsubishi M21 K51 100 Ductless Mini Split Filter (Discontinued)
  • Product label: Final Sale
Mitsubishi R01 A29 500 Ceiling Suspended Air Filter
  • Product label: Final Sale
Mitsubishi E22 141 100 Mister Slim Mini Split Replacement Filter - 2 Pack (Discontinued)
  • Product label: Sold out
  • Product label: Final Sale
Abatement H105 Filter for CAP100-U - 3 Pack Abatement Technologies H105 Filter for CAP100-U - 3 Pack (Discontinued)
  • Product label: Inventory Closeout Sale
Abatement Technologies H2255 Bag Filter for H2200 - 4 Pack Abatement Technologies H2255 Bag Filter for H2200 - 4 Pack
  • Product label: Inventory Closeout Sale
Koch Multi-Pleat XL8 30x36x2 MERV 8 pleated air filters, 12-pack Koch Multi-Pleat XL8 30x36x2 MERV 8 pleated air filter, single filter
  • Product label: Clearance Sale
Clean Comfort 16" x 12" x 1" - Pre-Filter - MERV 8
  • Product label: Sold out
  • Product label: Clearance Sale
Clean Comfort AMP-DMH4-0810
  • Product label: Clearance Sale
Mitsubishi R01 A29 500 Air Filter for PCA-Series - 2 Pack (Discontinued) Mitsubishi R01 A29 500 Air Filter for PCA-Series - 2 Pack (Discontinued)
  • Product label: Inventory Closeout Sale
Ultravation Solaris LP-PP-0130 T3™ UV Lamp Replacement (14”)
  • Product label: Inventory Closeout Sale
Clean Comfort AMHP-320-D HEPA Air Cleaner Replacement Filter Bundles Clean Comfort AMHP-320-D HEPA Air Cleaner Replacement Filter Bundles
  • Product label: Inventory Closeout Sale
Abatement Technologies H8516 / H8516XLT Bag Filter for H2500C - 4 Pack Abatement Technologies H8516 / H8516XLT Bag Filter for H2500C - 4 Pack
  • Product label: Clearance Sale
Haier/GE WJ85X22764 Ductless Mini Split Filter - 2 Pack
  • Product label: Clearance Sale
Haier/GE WJ85X23244 Ductless Mini Split Filter - 2 Pack
  • Product label: Clearance Sale
Haier/GE WJ85X26432 Ductless Mini Split Filter - 2 Pack
  • Product label: Clearance Sale
Haier/GE WJ85X23232 Ductless Mini Split Filter - 2 Pack
  • Product label: Inventory Closeout Sale
Abatement Technologies H8520 / H8520XLT Bag Filter for H4500 H4500IV - 4 Pack Abatement Technologies H8520 / H8520XLT Bag Filter for H4500 H4500IV - 4 Pack
  • Product label: Inventory Closeout Sale
Abatement Technologies HC1612C-UV HEPA Filter w/UV
  • Product label: Inventory Closeout Sale
Abatement Technologies CAP600-UV Home/Office Air Purifier w/Germicidal UV-C
  • Product label: Clearance Sale
PremierOne LSK07401H-16 Germicidal UV Lamp
  • Product label: Clearance Sale
  • Product label: Final Sale
PAK50 Annual Filter Pack for CAP50-U
  • Product label: Sold out
  • Product label: Clearance Sale
  • Product label: Final Sale
MAC-2200DF Deodorizing Filter
  • Product label: Clearance Sale
  • Product label: Inventory Closeout Sale
Abatement Technologies H502UVR Filter for PRED1200UV Air Scrubber - 6 Pack
  • Product label: Clearance Sale
Abatement Technologies H101 Pre-Filter for CAP100 - 12 Pack
  • Product label: Sold out
  • Product label: Clearance Sale
H055UVR MERV 13 Filter for CAP50-UV - 3 Pack
  • Product label: Clearance Sale
Abatement Technologies H055 Final Stage Filter for CAP50-U - 3 Pack (Discontinued)
  • Product label: Sold out
  • Product label: Inventory Closeout Sale
Nordyne 918737 20x22x5 MERV 11 Air Filter - 3 Pack 918737 20 x 22 x 5 MERV 11 Air Filter 3 Pack
  • Product label: Inventory Closeout Sale
WaterFurnace Geothermal 30x32x1 MERV 10 Airguard Air Filter - 4 Pack 30 x 32 x 1 Water Furnace Filter 4 Pack
  • Product label: Inventory Closeout Sale
WaterFurnace Geothermal 24x28x1 MERV 10 Airguard Air Filter - 4 Pack 24 x 28 x 1 Water Furnace Filter 4 Pack