*Ultrasonic Cool Mist Humidifier with Night Light for Small Rooms Features 10-Hour Run Time, Refill Indicator and Auto Shut-Off Silver clean technology offers protection against mold and mildew *Unlike other humidifiers that grow slimy mold and mildew, the pure Guardian 10-Hour 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 is ultra-quiet when it runs making it ideal to have on while you sleep. The humidifier emits a soothing cool mist, and a low water indicator light lets you know when it's time to refill the water tank. Night light feature makes it a great addition to kids' rooms. *Silver Clean protection: treated with Silver Clean technology.
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