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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Carrier FILXXFNC0024 MERV 8 20x23x4 Actual size 19-7/8" x 22-5/8" x 4-5/16"
Vendor:Regular price $ 54.95 USDRegular priceUnit price / per$ 99.95 USDSale price $ 54.95 USDSale -
FILXXCAR0016 16x25x4 Cartridge Filter MERV 8
Vendor:Regular price $ 51.95 USDRegular priceUnit price / per$ 64.95 USDSale price $ 51.95 USDSale -
Carrier FILXXFNC0021 20x20x4.25 MERV 8 Furnace Filter
Vendor:Regular price $ 58.99 USDRegular priceUnit price / per$ 94.99 USDSale price $ 58.99 USDSale -
Atomic Compatible for Skuttle 000-0448-001 25X16X5 MERV 8 DB-25-16 448-1 Furnace Filter-2 Pack
Vendor:Regular price $ 69.99 USDRegular priceUnit price / per$ 94.95 USDSale price $ 69.99 USDSale -
Atomic Compatible for Skuttle 000-0448-002 25X20X5 MERV 8 Furnace Filter DB-25-20 448-2 (2-Pack)
Vendor:Regular price $ 69.95 USDRegular priceUnit price / per$ 99.99 USDSale price $ 69.95 USDSale -
Atomic Compatible for Skuttle 000-0448-003 20X20X5 MERV 8 Furnace Filter DB-20-20 448-3 (2-pack)
Vendor:Regular price $ 69.99 USDRegular priceUnit price / per$ 99.99 USDSale price $ 69.99 USDSale -
Atomic Compatible for Skuttle 000-0448-004 20X16X5 MERV 8 Furnace Filter (2 Pack)
Vendor:Regular price $ 69.99 USDRegular priceUnit price / per$ 99.95 USDSale price $ 69.99 USDSale -
Atomic Compatible for Skuttle 000-0448-005 25x16x5 MERV 11 Furnace Filter (2-Pack)
Vendor:Regular price $ 74.95 USDRegular priceUnit price / per$ 109.95 USDSale price $ 74.95 USDSale -
Atomic Compatible for Skuttle 000-0448-006 MERV 11 25x20x5 Furnace Filters - 2 Pack
Vendor:Regular price $ 74.95 USDRegular priceUnit price / per$ 109.95 USDSale price $ 74.95 USDSale -
Atomic Compatible for Skuttle 000-0448-007 20X20X5 MERV 11 Furnace Filter (2-Pack)
Vendor:Regular price $ 74.99 USDRegular priceUnit price / per$ 109.95 USDSale price $ 74.99 USDSale -
Atomic Compatible Skuttle 000-0448-008 for 20X16X5 MERV 11 Furnace Filter (2-pack)
Vendor:Regular price $ 74.95 USDRegular priceUnit price / per$ 109.95 USDSale price $ 74.95 USDSale -
TopTech TechPure DTT-FM-2020 OEM 20x20x4 Replacement Furnace Filter
Vendor:Regular price $ 42.99 USDRegular priceUnit price / per$ 69.95 USDSale price $ 42.99 USDSale -
Honeywell FC100A1029 16x25x4 Furnace Air Filter MERV 11
Vendor:Regular price $ 49.95 USDRegular priceUnit price / per$ 69.95 USDSale price $ 49.95 USDSale -
TopTech TechPure TT-FM-2025 OEM 20x25x4 Replacement Furnace Filter
Vendor:Regular price $ 47.25 USDRegular priceUnit price / per$ 69.95 USDSale price $ 47.25 USDSale -
AGAPXCAR1625 Air Purifier Replacement Cartridge Nominal size 16x25x3 - Actual size 17.3 x 24.9 x 2.6
Vendor:Regular price From $ 109.97 USDRegular priceUnit price / per$ 159.95 USDSale price From $ 109.97 USDSale -
AGAPXCAR2025 Air Purifier Replacement Cartridge Nominal size 20x25x3 - Actual size 21 x 24.9 x 2.6
Vendor:Regular price From $ 113.97 USDRegular priceUnit price / per$ 169.95 USDSale price From $ 113.97 USDSale