Filtrete™ Allergen Defense Air Filter, 1000 MPR, 9845-4, 18 in x 20 in x 1 in (45,7 cm x 50,8 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.