20x20x4-1/2 Air Filter, Case of 2
20" x 20" x 4-1/2", High Efficiency Residential Air Cleaner Cartridge, Electrostatically Charged Media, Fits Honeywell F25 Media Air Filter 203719, MERV Rating 8, Lasts Up to 1 Year, Effective Against Pollen, Dust/Lint, Dust Mite Debris, Pet Dander, Mold, Bacteria, Virus Carriers.