Collection: Furnace & AC Filters
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Experience Checked - Standard 1-Inch Filters Made in USA
🏠 Popular 4-Inch Whole House Filters
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Lennox X6670 OEM 16x25x5 Merv 11 Replacement Air Filter Media - 1 Pack
Vendor:Lennox9 reviewsRegular price $ 49.99 USDRegular price$ 69.99 USDSale price $ 49.99 USDSale -
Atomic X6670 Lennox Compatible MERV 13 Upgrade Filter Media 16X25X5 Fits X6660 HCC16-28 - 2 Pack
Vendor:Atomic Filters7 reviewsRegular price $ 74.95 USDRegular price$ 79.95 USDSale price $ 74.95 USDSale -
Atomic X6670 Lennox Compatible Merv 11 Filter Media 16x25x5 Fits X6660 HCC16-28 - 2 Pack
Vendor:Atomic Filters12 reviewsRegular price $ 75.99 USDRegular price$ 89.95 USDSale price $ 75.99 USDSale -
Lennox Healthy Climate X6670 16x25x5 MERV 11 Filter - 5 Pack
Vendor:Lennox18 reviewsRegular price $ 189.17 USDRegular price$ 239.99 USDSale price $ 189.17 USDSale -
Lennox X6670 OEM 16x25x5 Merv 11 Replacement Air Filter - 2 Pack
Vendor:Lennox32 reviewsRegular price $ 84.99 USDRegular price$ 109.00 USDSale price $ 84.99 USDSale -
Lennox X6670 OEM 16x25x5 Merv 11 Filter Media - 4 Pack
Vendor:Lennox1 reviewRegular price $ 164.95 USDRegular price$ 199.00 USDSale price $ 164.95 USDSold out