Filtrete - Allergen Defense 12 in. W X 12 in. H X 1 in. D 1000 MPR Pleated Air Filter 1 pk

This compact allergen filter is designed to upgrade air cleaning in smaller HVAC or return‑air openings while maintaining good airflow. Its electrostatically charged polypropylene media is rated at 1000 MPR (MERV 11) and helps capture many fine particles such as pet dander, smoke, and smog, along with common household allergens including dust, lint, pollen, mold spores, dust‑mite debris, and tobacco smoke.