18" x 18" x 1", Purple, Ultra Allergen 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 1500, Filter Lasts For 90 Days, Color Purple
Customer Reviews for 3M Filtrete 18 x 18 x 1-In. Ultra Allergen Reduction Pleated Furnace Filter, Must Purchase in Quantities of 6
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