The 100-hour cool-and-warm mist humidifier with aromatherapy tray and UV-C guards against problems cause by dry air in the home. Makes life pleasant for those with cold, flu, allergies and dry skin. Treated with Silver Clean™ to fight the growth of slimy mould and mildew on the surface of the water tank–a common problem with traditional humidifiers. It is ultra-quiet, perfect for all including sleeping children as well as ultra-quick as it immediately begins to disperse a fine, even mist to create a comfortable environment. This product eliminates evaporating filters that must be cleaned or replaced and breed mould and mildew.