Quick view Compare Add to Cart 20x20x4 MERV 10 AC Furnace 4 Inch Air Filters. 2 Pack. Actual Size: 19-1/2 x 19-1/2 x 3-3/4 $41.98 $33.00 Free and Fast Shipping on 2 packs of 20 x 20 x 4 MERV 10 AC & Furnace 4 Inch Air Filters. Actual Size: 19-1/2 x 19-1/2 x 3-3/4. Filtration Rating: MERV 10, MPR 600-700, FPR 5-6. Protects: Lint, Dust, Pet Dander, Pollen, Dust Mites,...
Quick view Compare Add to Cart 20x20x2 MERV 10 AC Furnace 2 Inch Air Filters. 3 Pack $39.98 $33.00 Free and Fast Shipping on 20 x 20 x 2 MERV 10 AC & Furnace Air Filters. Actual Size: 19 ½” x 19 ½” x 1 3/4”. Filtration Rating: MERV 10, MPR 600-700, FPR 5-6. Protects: Lint, Dust, Pet...
Quick view Compare Choose Options 20x20x4 MERV 13 HVAC Air Filters $27.99 As Low as $22.39 per Filter! 20 x 20 x 4 HVAC Air Filter. Actual Size: 19-1/2 x 19-1/2 x 3-3/4. Filter Rating: MERV 13 | FPR 10 | MPR 2200. Protects: Pollen, dirt, dust, pet dander, viruses,...
