18" x 18" 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, Color Red
Customer Reviews for 3M Filtrete 18 x 18 x 1-Inch Micro Allergen Furnace Pleated Filter - Must Purchase in Quantities of 6
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