Filtrete 24 In. x 30 In. x 1 In. Micro Allergen Defense Pleated MPR 1000 Furnace Air Filter

24" x 30" x 1", Red, Micro Allergen Filtrete Filter, 3 Month Filter, 90% Effective At Capturing Large Allergens Like Mold Spores & Pet Dander, Electrostatically Charged, 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, MRP Rating 1000, Lasts Up To 3 Months.