Filtrete™ Allergen Defense Air Filter, 1000 MPR, AL40-4, 23.5 in x 23.5 in x 1 in (59,6 cm x 59,6 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.