Airthreds 16 In. x 20 In. x 1 In. Washable Furnace Filter

16x20x1 Airthreds washable and reusable furnace air filter. The frame and polyester mesh filter are designed for simple assembly and zipper to easily remove the mesh for machine wash. With up to 36 washes you can expect 3-6 years lifespan. Cost effective and eco-friendly compared to disposable filters. The filter is designed to catch most household pollutants including dust, pollen, mold, and pet dander.