Unlike other humidifiers that grow slimy mold and mildew, the pureguardian 100-Hour warm and Cool Mist Ultrasonic Humidifier uses Silver Clean technology to fight the growth of mold and mildew on the surface of the water tank. Thanks to ultrasonic technology it?s ultra-quiet when it runs making it ideal to have on while you sleep. The humidifier is equipped with the option for warm or cool mist, and a low water indicator light lets you know when it?s time to refill the water tank. This humidifier also features a soft glow night light that turns on and off.

Unlike other humidifiers that grow slimy mold and mildew, the pureguardian 100-Hour warm and Cool Mist Ultrasonic Humidifier uses Silver Clean technology to fight the growth of mold and mildew on the surface of the water tank. Thanks to ultrasonic technology it?s ultra-quiet when it runs making it ideal to have on while you sleep. The humidifier is equipped with the option for warm or cool mist, and a low water indicator light lets you know when it?s time to refill the water tank. This humidifier also features a soft glow night light that turns on and off.