Collection: Furnace & AC Filters
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🏆 Most Popular HVAC Filter Sizes (2025)
Experience Checked - Standard 1-Inch Filters Made in USA
🏠 Popular 4-Inch Whole House Filters
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Atomic 16x20x4 MERV 8 Pleated AC Furnace Filter - Case of 3
Vendor:Atomic Filters2 reviewsRegular price $ 59.44 USDRegular price$ 79.95 USDSale price $ 59.44 USDSale -
Atomic FILXXFNC0017 16x20x4.25 MERV 8 Carrier Replacement Furnace Filter - 2 Pack
Vendor:Atomic Filters1 reviewRegular price $ 65.90 USDRegular price$ 85.50 USDSale price $ 65.90 USDSale -
Atomic FILXXFNC0017 16x20x4.25 MERV 11 Carrier Replacement Furnace Filter - 2 Pack
Vendor:Atomic FiltersNo reviewsRegular price $ 72.90 USDRegular price$ 93.50 USDSale price $ 72.90 USDSale -
Atomic FILXXFNC0017 16x20x4.25 MERV 13 Carrier Replacement Furnace Filter - 2 Pack
Vendor:Atomic FiltersNo reviewsRegular price $ 74.90 USDRegular price$ 93.50 USDSale price $ 74.90 USDSale -
Atomic FILBBFNC0017 16x20x4.25 MERV 11 Bryant Replacement Furnace Filter - 2 Pack
Vendor:Atomic FiltersNo reviewsRegular price $ 72.90 USDRegular price$ 93.50 USDSale price $ 72.90 USDSale -
Atomic FILBBFNC0017 16x20x4.25 MERV 8 Bryant Replacement Furnace Filter - 2 Pack
Vendor:Atomic FiltersNo reviewsRegular price $ 65.90 USDRegular price$ 85.50 USDSale price $ 65.90 USDSale -
Atomic FILBBFNC0017 16x20x4.25 MERV 13 Bryant Replacement Furnace Filter - 2 Pack
Vendor:Atomic FiltersNo reviewsRegular price $ 74.90 USDRegular price$ 93.50 USDSale price $ 74.90 USDSale -
Atomic 16x20x4 MERV 11 Pleated AC Furnace Filter - Case of 3
Vendor:Atomic FiltersNo reviewsRegular price $ 79.59 USDRegular price$ 99.75 USDSale price $ 79.59 USDSale -
Atomic 16x20x4 MERV 13 Pleated AC Furnace Filter - Case of 3
Vendor:Atomic FiltersNo reviewsRegular price $ 99.75 USDRegular price$ 71.95 USDSale price $ 99.75 USD