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The Pureguardian H4500 is an ultrasonic digital humidifier featuring a:
The PureGuardian 120-Hour Ultrasonic Humidifier H4500 uses silver clean technology to prevent the growth of mold and bacteria in the water tank. This digital humdifier has 2.4 gallon tank capacity. This Pure Guardian humidifier is ultrasonic, so it's virtually silent in operation.
This ultrasonic humidifier features a high output nozzle that broadens mist in two directions. This mist humidifier has an option for warm or cool mist. This invisible mist humidifier features a low water indicator light, and a soft blue night light that is controlled with an on/off switch.
The PureGuardian H4500 specifications: