Quick view Compare Add to Cart 18x20x1 MERV 10 HVAC Air Filters. 12 Pack $65.00 18 x 20 x 1 MERV 10 AC & Furnace Air Filters. Actual Size: 17 ½” x 19 ½” x 7/8”. Filtration Rating: MERV 10, MPR 600-700, FPR 5-6. Protects: Lint, Dust, Pet Dander, Pollen, Dust Mites,...
