Honeywell HAC-504AW Replacement Filter for Honeywell Humidifiers, Single Single replacement filter for select Honeywell humidifier models; see description for compatibility list Removes minerals and pollutants from water Reinforced for maximum efficiency and longer filter life Protec antimicrobial treatment helps prevent the growth and migration of mold, fungus, algae and other bacteria Dry Lift Handle helps [...]Honeywell HAC-504AW Replacement Filter for Honeywell Humidifiers, Single is a post from: Hunter Humidifier Filter