The Philips-Respironics System One Heated Humidifier has the System One Humidity Control with Box Technology. The System One heater humidifier is able to analyze changing environmental condtions, ambient temperature, therapy flow and relative humidity for optimum results. It affords ultimate comfort all throuh the night and at the same time reduces rainout. The Dry Box technology separates the humidifier's water source from the main device to protect it from water damage and accidental spillage.

Philips Heated humidifier SysyemsOne 60 series