Shopping Cart Contents
Contact information


+Call Us 866-992-7279

GoodKnight 420G CPAP System - DISCONTINUED

The smallest and lightest CPAP (Continuous Positive Airway Pressure) system on the market, Puritan Bennett's GoodKnight 420G is stylish, portable and convenient. It was designed from the ground up for the person on the go so that your therapy can fit in with your lifestyle, not the other way around. The GoodKnight 420G provides quiet, effective CPAP therapy for a wide range of patients. It includes a universal power supply, adjustable start ramp, durable construction, and a wide 4-20CM pressure range.


  • Small and convenient (Under 2 pounds)
  • Ultra-quiet operation (Maximum sound level at 10cm H2O = 31 dBA)
  • Wide pressure range (4 to 20 cm H20)
  • Adjustable Ramp Time (0 to 30 minutes in 5-minute increments)
  • Adjustable pressure calibration
  • Durable construction
  • Universal Power Supply - Automatic voltage regulator and international power supply for operation on AC currents from 110 to 240 without adjustments. (Plug adapter may be needed for operation outside of the United States.)
  • Automatic leak and altitude compensation
  • Breathing compliance meter

Manufacturer: Puritan Bennett
Part Number(s): Y-GK420G-US
In the Box: GoodKnight 420G CPAP Machine, Starter Filter, Durable Nylon Carrying Case, 6 Foot Patient Tube, Printed Manuals, Power Cord (For US Power Supply), 2 Year Manufacturer's Warranty. Heated Humidifier also included depending on package selected.
HCPCS Insurance Code(s): E0601

Dimensions & Weight
  • CPAP = 5.6" x 2.9" x 7.7" (142mm x 75mm x 195mm)
  • CPAP = 1.54 lbs (760 g)
  • CPAP with HUMIDIFIER = 6.7" x 3.7" x 11" (170mm x 95mm x 280mm)
  • CPAP with HUMIDIFIER= 3.3 lbs (1497 g)
  • Power Brick = 3.5" x 2.75" x 1.5"
  • Power Brick = .6 lbs (272 g)

Power Characteristics
  • Battery = 12 VCC
  • Power Consumption = 20 VA
  • Universal Power Supply = Input Range 100-240 V, 50-60 Hz

  • Pressure Range = 4cm to 20cm H20 (±1 cm H20)
  • Pressure Adjustment = 0.5cm H20
  • Ramp Time = 0 to 30 minutes (5-min increments)
  • Ramp Start Pressure = 4 to CPAP Pressure
  • Altitude Compenstation = 0 to 7,874ft/2400m
  • Minimum Sound Level = 25.1 dBA
  • Maximum Sound Level = 31 dBA at 10cm H20

Customer Reviews

View All Product Reviews. Click Here To Write A Review Of Your Own!

Be the first to write a review!