The PureGuardian H2500 has been discontinued by the manufacturer and is no longer available. Use the Crane EE-8064 Digital Humidifier.
The PureGuardian H1600 accepts the following replacement parts:
The PureGuardian 55-Hour Ultrasonic Digital Humidifier is an ultrasonic humidifier with a soft-glow night light and ultra-quiet operation style that's perfect for use while you're sleeping. The PureGuardian H1600 features new Silver Clean Technology that prevents mold and mildew growth on your water tank and a low water indicator light for a helpful reminder about when the water tank needs to be refilled. In addition, this digital humidifier has a run-time operation of 55 hours and offers both cool and warm mist options for your convenience.
PureGuardian 55-Hour Ultrasonic Digital Humidifier specifications: