Honeywell HAC504 Replacement Filter For Cool Moister Humidifier

$12.99 to $46.99 from 9 sellers

Fits Honeywell cool moisture humidifiers model HCM-1000, 2000, and the HCM-300, 500 and 600 series. Prevents the surface growth and migration of mold, fungus, algae and bacteria. Lasts the life of the filter. Promotes a healthy home. Prevents odor-causing bacteria. Traps minerals in the filter. Change filter at least once a season, more if you have hard water.

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