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Includes :
Auto CPAP Unit, 6' Tubing, Carrying Case, Patient Manual
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Puritan Bennett GoodKnight 420E Auto CPAP

The GoodKnight® 420 Series Nasal CPAP Systems includes the 420E Auto-CPAP model, so patients who require auto-CPAP therapy can enjoy the advantages of the world's smallest and lightest continuous positive airway pressure devices. The GoodKnight 420E Auto-CPAP System, nicknamed the "Traveler" for its small size, adapts to airway pressure needs on both a short and long-term basis. The GoodKnight 420E model provides quiet, effective CPAP therapy for a wide range of prescriptions.

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The Good Knight 420E system:

Product Specifications

  • Pressure range: 4 to 20 cm H2O (±1 cm H2O)
  • Pressure adjustment: 0.5 cm H2O
  • Ramp start pressure: 4 to CPAP pressure
  • Ramp time: 0 to 30 minutes (5-min. increments)
  • Altitude compensation: 0 to 7,874 ft/2400 m
  • Minimum sound level: 25.1 dBA
  • Maximum sound level: 31 dBA at 10 cm H2O
  • 2 Year Manufacturer Warranty
Physical Characteristics
  • Size: 5.6 in W x 2.9 in H x 7.7 in L (14.2 cm x 7.5 cm x 19.5 cm)
  • Weight: 1.54 lb (760 g)
  • Filters: Cleanable and high-efficiency
Power Characteristics
  • Power Input range Automatic 100 - 240 V, 50 - 60 Hz
  • Power consumption: 20 VA
  • Battery: 12 VCC
Environmental Requirements
  • Operating Temperature: +41°F to +104°F (+5°C to +40°C)
  • Operating Humidity: Between 10% and 95% noncondensing


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14480 Ewing Ave So. Suite 102
Burnsville, MN 55306
Telephone (952) 358-7070
Fax (866) 835-6437

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