These Honeywell Humidifier Filters (HC811) are specially designed for use with Duracraft Models DH-821, DH-822, DH-823 and DH-824 humidifiers. The honeycomb-style filtration system paired with Agion antimicrobial technology means prevention of surface growth of mold, algae, bacteria and fungus that lasts throughout the life of the filter. Honeywell filters HC811 should be replaced every two to four weeks, depending on usage and water hardness, so take advantage of our bulk pricing that allows you to buy up to four Honeywell humidifier filters at 22 percent off.Fits Duracraft Models DH-821, DH-822, DH-823 and DH-824.
Agion antimicrobial technology prevents surface growth of mold, fungus, algae and bacteria. This protection lasts the life of the filter.
Humidifier filters should be replaced at the start of the season of use and about every two to four weeks depending on usage and water hardness. Always remove the filter when cleaning your humidifier.