Filtrete™ Electrostatic Air Filter 1000 MPR, 9811-4, 14 in x 14 in x 1 in (35.5 cm x 35.5 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.