New in box. A completely reimagined humidifier that promotes healthy skin and alleviates symptoms of cold and flu. Hydrates rooms up to 500 square feet Dishwasher safe parts 2.5 liter tank, up to 36 hours of running time Sensors maintain optimal moisture day and night Details Humidifier 10 in. length x 8 in. height x 7 in. width 3 lbs USB-C power cord included Hydrates rooms up to 500 square feet 2.5 liter tank, up to 36 hours of running time Filter Made from wood pulp Catches bacteria, metals, and other particles in water before it is evaporated into the air Replace every 6 weeks