Quick view Compare Add to Cart 20x22x1 MERV 10 HVAC Air Filters. 12 Pack $69.00 20 x 22 x 1 MERV 10 AC & Furnace Air Filters. Actual Size: 19 1/2 x 21 7/8 x 7/8. Filtration Rating: MERV 10, MPR 600-700, FPR 5-6. Protects: Lint, Dust, Pet Dander, Pollen, Dust Mites, Smog, & Mold...