About This Item
This compact allergen filter is designed to upgrade air cleaning in smaller HVAC or returnāair 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, dustāmite debris, and tobacco smoke.