Honeywell HAC-504AW Humidifier Replacement Filter, 3-3/4 in L, 5-3/4 in W

Combating and removing various harmful pollutants and minerals, these Honeywell replacement filters have an exceptionally high compatibility range. They can be placed in nearly all of Honeywell's natural cool moisture humidifiers. The addition of protec anti-bacterial treatment decreases the amount of growth and migration of mold, fungus, algae and bacteria in the filter. Ensure a premier and hospitable breathing environment for yourself and your loved ones with a genuine Honeywell filter. The Honeywell HAC-504 replacement filter is an ideal replacement for natural cool moisture humidifiers and will greatly assist in the removal of minerals and pollutants from the water. The Protec antimicrobial treatment helps prevent the growth and migration of mold, fungus, algae and bacteria on the filter. Featuring an optimized filter design, the Honeywell HAC-504 allows for the maximum in moisture output.