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GoodKnight 425 BiLevel Machine (DISCONTINUED)

  • Discontinued April 2009 - Information for Reference Only

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Puritan Bennett's GoodKnight 425 Bi-Level provides a compact, quiet choice in treating obstructive sleep apnea for patients who need bi-level positive pressure therapy. As the world's smallest, lightest bi-level, the GoodKnight 425 won't crowd the nightstand and is easy to pack for travel.

The GoodKnight 425 Bi-Level® Device offers an amazingly small, compact, and quiet choice in treating obstructive sleep apnea for people who require bi-level positive pressure. As the world’s smallest, lightest bi-level device, the GoodKnight 425 won’t crowd the nightstand and is easy to pack for travel, making complying with prescribed obstructive sleep apnea (OSA) therapy a snap for patients.

Ultra-quiet operation, adjustable ramp time, a wide presure range, and durable construction all mean that the GoodKnight 425 will provide OSA patients many nights or restful sleep -- now and for years to come.


  • Small and convenient (Under 2 pounds)
  • Adjustable ramp time for improved comfort
  • Wide pressure range (3 to 25 cm H20)
  • Durable construction
  • Automatic voltage regulator and international power supply for operation on AC currents from 110 to 240 without adjustments. (Outlet adapter may be needed for operation outside of the United States.)
  • Automatic altitude compensation adjustment
  • FlowSens Technology - The GoodKnight 425 incorporates Puritan Bennett's patented FlowSens technology which helps optimize breathing comfort to reduce the sensation of exhaling against incoming flow



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Manufacturer Puritan Bennett
Part Number(s) Y-GK425-NA
HCPCS Insurance Code E0470

GoodKnight 425 BiLevel Machine (DISCONTINUED)

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