16" x 25" 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.
