14x20x1 naturalaire microparticle merv 10 filters 85256.011420 (6 pack)

14" x 20" x 1", naturalaire micro particle pleated furnace filter, electrostatically charged, 100% synthetic wire backed media, clay coated frame, merv rating 10, 90 day filter, effective against pollen, dust/lint, dust mites, pet dander, mold, bacteria, virus carriers, smoke, smog, lead dust.