Collection: 13x21.5x1 Furnace Filters
Breathe cleaner air with our premium 13x21.5x1 furnace filters. Available in MERV 8, 11, and 13 ratings to capture dust, allergens, and airborne particles. Our high-quality pleated filters provide superior filtration while maintaining proper airflow. Perfect for homeowners seeking reliable protection against indoor air pollutants without straining your HVAC system.
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13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6
Vendor:Atomic Filters4 reviewsRegular price $ 44.44 USDRegular price$ 79.95 USDSale price $ 44.44 USDSale -
13x21.5x1 Merv 13 Allergy Elite Pleated AC Furnace Filter - Case of 6
Vendor:Atomic FiltersNo reviewsRegular price $ 84.95 USDRegular price$ 149.95 USDSale price $ 84.95 USDSale -
13x21.5x1 Merv 11 Pleated AC Furnace Filter - Case of 6
Vendor:Atomic FiltersNo reviewsRegular price $ 69.95 USDRegular price$ 129.95 USDSale price $ 69.95 USDSold out