20x25x5Air Clean Filter, Case of 2
20" x 25" x 5", High Efficiency Residential Air Cleaner Cartridge, Electrostatically Charged Media, Fits Trion Air Bear Model 500, MERV Rating 8, Lasts Up to 1 Year, Effective Against Pollen, Dust/Lint, Dust Mite Debris, Pet Dander, Mold, Bacteria, Virus Carriers.