Allergen Defense Red Micro Pleated Air Furnace Filter, 20x20x1-In. Brand_Cabot Sintered (heat-treated) metal inlet filter

Sintered (heat-treated) metal inlet filter to trap impurities

foldable brackets to allow tailored configuration

Easy To Trowel

Features rounded edges protect livestock

Allergen Defense Red Micro Pleated Air Furnace Filter, 20x20x1-In. Brand_Cabot Sintered (heat-treated) metal inlet filter20" x 20" x 1", Red, Micro 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.