This 12-volt DC power cord is designed to allow you to connect any Puritan Bennett GoodKnight 420 CPAP to a 12-volt "cigarette" style power socket such as those found in most cars, boats, trucks and other vehicles. This cord is approximately 198 inches long. Great for those who travel! Compatible with the GoodKnight 420G, GoodKnight 420E, GoodKnight 420S, GoodKnight 420SP, etc.
Note: This cord will not work with GoodKnight 425 Series BiLevel Systems.