Allergen Defense Red Micro Pleated Furnace Filter, 12x12x1-In.

12 x 12 x 1, Red, Micro Filtrete Filter, 3 Month Filter Is 90% Effective At Capturing Large Allergens Like Mold Spores & Pet Dander, Captures Microscopic Allergens Like Dust, Smoke & Smog, Captures Bacteria & Particles That Can Carry Viruses, Meets The Guidelines Of The American Lung Association Health House Program. MPR Rating 1000, Filter Lasts For 90 Days, Color Red.