Collection: Furnace & Air Conditioner Filters
Discover our extensive selection of furnace and air conditioning filters, also known as air filters or HVAC filters. We offer AC filters for top brands, including Carrier, Honeywell, Lennox, Aprilaire, AirBear, and Trane.
Our inventory features:
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Over 50 standard sizes in 1-inch, 2-inch, and 4-inch thicknesses
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MERV ratings of 8, 11, and 13 for various filtration needs
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Both standard and hard-to-find air filter sizes
Find the perfect filter for your home or business at competitive prices. Whether you need a standard replacement or a specialized size, we've got you covered.
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Atomic Compatible for Trane FLRQB5AH23M11 22.7x20.7x4.7 MERV 11 Filter - 2 Pack
Vendor:Regular price $ 68.97 USDRegular priceUnit price / per$ 94.96 USDSale price $ 68.97 USDSale -
Atomic 20x25x4 210 MERV 11 Replacement Furnace Filter Aprilaire and Space-Gard 4200 Compatible
Vendor:Regular price $ 56.95 USDRegular priceUnit price / per$ 149.95 USDSale price $ 56.95 USDSale -
Atomic 20x25x4 210 MERV 13 Replacement Furnace Filter Aprilaire and Space-Gard 4200 Compatible
Vendor:Regular price $ 64.95 USDRegular priceUnit price / per$ 169.95 USDSale price $ 64.95 USDSale -
Atomic Compatible for Trane FLRQB5AH23M11 22.7x20.7x4.7 MERV 13 upgrade Filter - 2 Pack
Vendor:Regular price $ 84.97 USDRegular priceUnit price / per$ 114.96 USDSale price $ 84.97 USDSale -
TopTech TechPure TT-FM-1620 OEM 16x20x4 Replacement Furnace Filter for TT-MAC-1722 - No Assembly Required
Vendor:Regular price $ 39.99 USDRegular priceUnit price / per$ 59.95 USDSale price $ 39.99 USDSale -
Carrier AGAPXCAR1620 Air Purifier Replacement Cartridge Nominal size: 16x20x3 - Actual size 17.3x21.9x2.6
Vendor:Regular price From $ 112.96 USDRegular priceUnit price / per$ 149.95 USDSale price From $ 112.96 USDSale -
Atomic Compatible for Ultravation 91-006 20x25x5 MERV 11 Replacement Furnace Filter - 2 Pack
Vendor:Regular price $ 74.95 USDRegular priceUnit price / per$ 173.99 USDSale price $ 74.95 USDSale -
TopTech TechPure TT-FM-1625QB Quick Box OEM 16x25x4 Replacement Furnace Filter
Vendor:Regular price $ 39.49 USDRegular priceUnit price / per$ 59.95 USDSale price $ 39.49 USDSale -
Carrier AGAPXCAR2020 20x20x3 Air Purifier Replacement Cartridge for PGAPAXX2020 DGAPAXX2020
Vendor:Regular price From $ 114.95 USDRegular priceUnit price / per$ 129.95 USDSale price From $ 114.95 USDSale -
Atomic Compatible for Carrier PGAPXCAR1620 / AGAPXCAR1620 Air Purifier Cartridge Nominal size: 16x20x3 - Actual size 17.3x21.9x2.6
Vendor:Regular price From $ 89.99 USDRegular priceUnit price / per$ 149.95 USDSale price From $ 89.99 USDSale -
Atomic Compatible for Lennox X7935 20x20x5 (Actual size 20 x 19 3/4 x 4 3/8 ) HCF14-16 MERV 16 Filter
Vendor:Regular price From $ 92.99 USDRegular priceUnit price / per$ 179.95 USDSale price From $ 92.99 USDSale -
Atomic Compatible for Lennox Y6605 Healthy Climate® 16x26x5 MERV 16 PureAir 100908-11 Replacement Media for PCO3-16-16
Vendor:Regular price From $ 95.99 USDRegular priceUnit price / per$ 187.97 USDSale price From $ 95.99 USDSale -
Atomic Compatible for Carrier AGAPXCAR1625 / PGAPXCAR1625 Air Purifier Replacement Cartridge Nominal size: 16x25x3 - Actual size 17.3 x 24.9 x 2.6
Vendor:Regular price From $ 89.99 USDRegular priceUnit price / per$ 159.95 USDSale price From $ 89.99 USDSale -
Atomic Compatible for X8788 Lennox Healthy Climate® 20x26x5 MERV 16 Filter Replacement Filter
Vendor:Regular price From $ 94.99 USDRegular priceUnit price / per$ 169.95 USDSale price From $ 94.99 USDSale -
Atomic Compatible Lennox Healthy Climate® X8789 MERV 16 Filter 16x26x5 for PCO16-28
Vendor:Regular price From $ 99.99 USDRegular priceUnit price / per$ 179.00 USDSale price From $ 99.99 USDSale -
Atomic Compatible for Lennox X8790 PureAir MERV 16 PLEATED Furnace Filter 20x21x5 for PCO14-23
Vendor:Regular price From $ 105.99 USDRegular priceUnit price / per$ 159.99 USDSale price From $ 105.99 USDSale