Quick view Compare Choose Options 20x25x4 MERV 11 HVAC Air Filters $18.99 As Low as $14.99 per Filter! 20 x 25 x 4 MERV 11 HVAC Air Filters. Actual Dimensions: 19-1/2 x 24-1/2 x 3-3/4. Filtration Rating: MERV 11, FPR 7, MPR 1000. Protection: Smoke, Pet Dander, Pollen, Bacteria,...
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