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K&N 20-in W x 20-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com
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K&N 20x20x1 AC Furnace Air Filter; Lifetime Washable Reusable Filter; Merv 11; Filters Allergies, Pollen, Smoke, Dust, Pet Dander, Mold, Smog, and More; Breathe Clean Fresh Air: HVC-12020 - Walmart.com
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