DC Power Cord (with direct battery connector) for GoodKnight 420 Series CPAP Machines (DISCONTINUED)
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Great for those who travel by vehicle often such as campers or long distance truck drivers. Compatible with the GoodKnight 420G, GoodKnight 420E, GoodKnight 420S, GoodKnight 420SP, etc. (This cord will not work with GoodKnight 425 Series BiLEVEL or Sandman CPAP systems.)