Quick view Compare Temporarily out of stock 24x24x4 MERV 11 HVAC Air Filters $18.99 As Low as $14.99 per Filter! 24 x 24 x 4 MERV 11 HVAC Air Filters. Actual Dimensions: 23-3/8 x 23-3/8 x 3-3/4. Filtration Rating: MERV 11, FPR 7, MPR 1000. Protection: Smoke, Pet Dander, Pollen, Bacteria, Dust Mites,...
