Collection: Furnace & Air Conditioner Filters
🏆 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 12x20x1 Merv 8 Pleated AC Furnace Filter - Case of 6
Vendor:Atomic FiltersNo reviewsRegular price $ 54.99 USDRegular price$ 59.95 USDSale price $ 54.99 USDSale -
Atomic 12x20x1 Merv 11 Pleated AC Furnace Filter - Case of 6
Vendor:Atomic FiltersNo reviewsRegular price $ 59.99 USDRegular price$ 79.95 USDSale price $ 59.99 USDSale -
Atomic 12x20x1 Merv 13 Allergy Elite Pleated AC Furnace Filter - Case of 6
Vendor:Atomic Filters4 reviewsRegular price $ 64.99 USDRegular price$ 79.95 USDSale price $ 64.99 USDSale