Filtrete 20 in. x 25 in. x 1 in. Micro Air Filter

The Filtrete 20 in. x 25 in. x 1 in. Micro Air Filter helps maintain a cleaner, healthier indoor living environment by capturing airborne particles from your heating and cooling system. Engineered with exclusive 3-in-1 technology from 3M, this pleated air filter pulls in unwanted particles while allowing cleaner air to flow freely throughout your home. Ideal for residential furnace, air conditioner, and HVAC applications, this high-performance filter effectively attracts and traps lint, household dust, pollen, pet dander, smoke, and smog. For optimal system efficiency and improved indoor air quality, replace the filter at least every 90 days.