7100188872

Filtrete™ Allergens & Pet Dander Air Filter 1000 MPR 9821-4, 18 in x 24 in x 1 in (45.7 cm x 60.9 cm x 2.5 cm). The Filtrete™ Allergen Defense Filter outperforms non-electrostatic pleated and washable 1-inch filters at capturing microscopic allergens like dust, smoke, and smog particles and large allergens like mold spores and pet dander.