This 12-volt DC power cord is designed to connect Puritan Bennett GoodKnight 420 series CPAP systems directly to a 12-volt battery power source, such as marine battery. Great for those who travel by vehicle often such as campers or long distance truck drivers.
Battery Cable for GoodKnight 420 CPAP Series. But will not fit the 425 Bilevel. That requires a larger diameter connector which is available.
