Cool mist humidifierHelps temporarily relieve dry air discomfortsMaintaining an indoor humidity level between 40 - 60 % can reduce the survival of flu viruses on surfaces and in the air.Silent technology thanks to the ultrasonic technology.Patented easy to fill technology makes filling as easy as watering a plant.Variable moisture output settings allows you to control your humidity for optimum comfort.Illuminated window and fill area indicate water level.Continuous water flow provides soothing effect.Cartridge to remove excess minerals in the water.Runs for up to 24 hours per filling.