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Allergen Defense Red Micro Pleated Air Furnace Filter, 12x24x1-In.

Filtrete

12" x 24" x 1" Red Micro Allergen Filtrete Filter. 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.