Honeywell Premium Odor and Gas Reducing Type A+ Pre-Filter

The Honeywell Odor-Reducing Pre-Filter enhances the efficiency of your air purifier by adding an extra layer of filtering material. This pre-filtering blanket prolongs the life of your HEPA filter. Deodorizes the air, reducing odors with activated carbon and zeolite. Fits 17000, 17005, 17007-HD, 50250, 50255-HD, 18150.