HomeProduct Size20 x 20 x 1 20 x 20 x 1 Showing all 6 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by Sales Rank Air Filters Filtrete 20x20x1 Air Filter MPR 2800 MERV 13, Healthy Living Ultrafine Particle Reduction, 2-Pack (exact dimensions 19… $62.99 BUY Air Filters Filtrete 20x20x1 Air Filter MPR 300 MERV 5, Clean Living Basic Dust Furnace Filter Furnace Filter, 6-Pack (exact… $36.99 BUY Air Filters Filtrete 20x20x1 Smart Replenishable AC Furnace Air Filter, MPR 1900, Premium Allergen, Bacteria & Virus, 2-Pack (exact… $70.42 BUY Air Filters Filtrete 20x20x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 2-Pack (exact dimensions 19.719 x 19.719 x 0… $33.75 BUY Air Filters Filtrete 20x20x1, Smart Replenishable AC Furnace Air Filter, MPR 1500, Allergen, Bacteria & Virus, 2-Pack (exact… $87.90 BUY Air Filters Filtrete AD02PL-2PK-6E 20x20x1 Micro Allergen PLUS AC Furnace Air Filter, MPR 1000D, 20 x 20 x 1-Inches, 2-Pack (Holds… $69.99 BUY