• For CPAP patients experiencing upper airway dryness, Puritan Bennett offers a mist of relief with the GoodKnight H2O Heated Humidifier. Designed for use with the GoodKnight 420 Series CPAP System or GoodKnight 425 Bi-Level Device, the GoodKnight H2O Heated Humidifier increases air humidity, reducing patient dryness in the nose and throat. By improving comfort, it may help promote patient compliance with sleep apnea treatment. In addition, the humidifier features a small footprint that fits neatly with GoodKnight sleep therapy devices, creating the smallest, lightest, CPAP/heated humidifier on the market. Features HumidControl FeatureThe HumidControl feature ensures a consistent temperature difference between the water and ambient air to minimize condensation in the tubing (“rain out”) and keep the humidification level constant throughout the night Space-saving designAdds only 3 inches to the length of any Goodknight 420/425 sleep therapy device. Easy to CleanComes with a detachable, dishwasher safe water chamber for trouble-free maintenance. Each to useFeatures a rotary button that allows patients to adjust heating level.