About This Item
This 24 x 30 x 1-inch Filtrete Allergen Defense filter uses pleated electrostatic media and 3‑in‑1 technology to clean recirculated air in furnaces and central AC systems. With a 1000 MPR (MERV 11) rating, it is designed to attract and capture microscopic particles such as pet dander, smoke, and smog, as well as larger allergens like lint, household dust, pollen, mold spores, and dust mite debris.
