The GoodKnight 420G CPAP System is the smallest and lightest continuous positive airway pressure (CPAP) device on the market. It is designed to help active sleep disorder patients preserve their lifestyles while complying with therapy. The GoodKnight 420G model provides quiet, effective CPAP therapy for a wide range of prescriptions.
Conveniently small size (weighs 1.54 pounds and measures 5.6" W x 2.9" H x 7.7" L)
Wide pressure range (4 to 20 cm H20)
Ultra-quiet operation
Adjustable pressure calibration
Durable construction
Automatic voltage regulator
Altitude compensation feature
Optional D/C power supply
Automatic leak compensation
Breathing compliance meter
Replacement Water Chamber for Puritan Bennett GoodKnight H2O Heated Humidifier used with the GoodKnight 420 CPAP Systems and GoodKnight 425 Bi-Level Devices.