Cool, invisible moisture helps temporarily relieve dry air discomfortsProgrammable digital humidistat and timer let you maintain your desired humidity levelWicking filter removes minerals from the water helping to prevent white dust; one filter included with humidifier (Replacement Filter HFT600 Series Filter T)Easy to use and clean: automatically shuts off when empty, tank can be filled at humidifier or at sink, refill indicator light, filter check indicator light, slide-out filter door for easy replacementRuns up to 24 hours on low settingDesigned for large rooms1.7 gallon tank capacity3 year limited warranty"