3M Filtrete 12x20x1 Air Filter MERV 11, 4 Pack

Maintain healthier indoor air quality with the 3M Filtrete 12x20x1 Air Filter, rated MERV 11 and MPR 1000 for effective allergen and pet dander capture. Designed for use in AC and furnace systems, this 3-month filter set comes with four filters, each providing reliable airflow and a precise fit (Actual Size 11.68 x 19.68 x 0.81 in). Ideal for households with pets or allergy concerns, ensuring cleaner air throughout your home.