BestAir 20 In. x 20 In. x 1 In. MERV13 Furnace Filter

20x20x1 Best Air Pleated MERV Rating 13, 90 Day Filter features efficient electrostatic filtration media that helps capture unwanted particles in your home, including: Pollen, Pet Dander, Mold Spores, Bacteria, Microscopic Allergens and Smoke. This filter removes airborne particles, delivering the air flow you need to create a cleaner, fresher indoor environment.