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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Honeywell FC100A1029 16x25x4 Furnace Air Filter MERV 11
Vendor:Regular price $ 49.95 USDRegular priceUnit price / per$ 69.95 USDSale price $ 49.95 USDSale -
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 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 -
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 -
Atomic Compatible for Trane FLRQB5AH18M11 17.7x20x4.7 MERV 11 Filter - 2 Pack
Vendor:Regular price $ 69.97 USDRegular priceUnit price / per$ 94.96 USDSale price $ 69.97 USDSale -
Atomic Compatible for Trane FLRQB5FR21M11 20.2x26x4.7 MERV 11 Filter - 2 Pack
Vendor:Regular price $ 79.99 USDRegular priceUnit price / per$ 94.96 USDSale price $ 79.99 USDSale -
Carrier EXPXXUNV0024 EZ-FLEX Filter Media 24x25x4.5
Vendor:Regular price From $ 84.99 USDRegular priceUnit price / per$ 109.95 USDSale price From $ 84.99 USDSale -
Atomic Compatible for Trane FLRQB5FR17M11 16.7x26x4.7 MERV 11 Filter - 2 Pack
Vendor:Regular price $ 69.99 USDRegular priceUnit price / per$ 94.96 USDSale price $ 69.99 USDSale -
Atomic Compatible for Trane FLRQB5AH21M11 20.7x20x4.7 MERV 11 Filter - 2 Pack
Vendor:Regular price $ 68.97 USDRegular priceUnit price / per$ 94.96 USDSale price $ 68.97 USDSale -
20x20x4 MERV 11 Furnace Filter compatible for TopTech TT-FM-2020 TTFM2020, TT-FM-2020QB for use in Carrier TT-MAC-2122 TT-MAC-2020 (3 Pack)
Vendor:Regular price $ 79.99 USDRegular priceUnit price / per$ 149.99 USDSale price $ 79.99 USDSale -
16x25x4 MERV 11 Furnace Filter compatible for TopTech TT-FM-1625 TTFM1625 for use in Carrier TechPure TT-MAC-1625, tt-fm-1625qb - (3 Pack)
Vendor:Regular price $ 85.99 USDRegular priceUnit price / per$ 139.99 USDSale price $ 85.99 USDSale -
16x20x4 MERV 11 Furnace Filter compatible for TopTech TT-FM-1620, TTFM1620, tt-fm-1620qb for use in Carrier TechPure TT-MAC-1722 TT-MAC-1620-3 Pack
Vendor:Regular price $ 79.99 USDRegular priceUnit price / per$ 139.95 USDSale price $ 79.99 USDSale -
20x25x4 MERV 11 Furnace Filter compatible for TopTech TT-FM-2025 TTFM2025, TT-FM-2025QB for use in Carrier TechPure TT-MAC-2522 TT-MAC-2025-3 Pack
Vendor:Regular price $ 89.99 USDRegular priceUnit price / per$ 141.75 USDSale price $ 89.99 USDSale -
Atomic Compatible for Ultravation 91-026 20x25x5 MERV 13 Replacement Furnace Filter - 2 Pack
Vendor:Regular price $ 85.95 USDRegular priceUnit price / per$ 173.99 USDSale price $ 85.95 USDSale -
Atomic 20X25X4 FC200E1037 Honeywell Filter Replacement MERV 11 - 2 Pack
Vendor:Regular price $ 64.95 USDRegular priceUnit price / per$ 99.95 USDSale price $ 64.95 USDSale -
M8-1056 20x25x5 (Actual Size: 20-1/4 x 25-3/8 x 5-1/4) MERV 11 Replacement Furnace Filter (Pack of 2)
Vendor:Regular price $ 84.99 USDRegular priceUnit price / per$ 99.50 USDSale price $ 84.99 USDSale