Crane USA Warm Mist Humidifiers, White Bacteria-Free Warm Mist increases air moisture for easier breathing and a good nights sleep Relieves cough, cold, and flu symptoms, nasal congestion, dry cough, sinus irritation, nose bleeds, and dry skin and hair Recommended non-medicated alternative to over the counter cough and cold medicine Clean Control Antimicrobial Material is proven to help reduce mold and bacteria growth up to 99.96%* Removable 1 gallon tank easily fits under most bathroom sinks VOLTAGE  120 V, for domestic use only