Manufactured by Puritan Bennett, this 12-volt DC power cord is designed to allow you to connect your Puritan Bennett Goodknight 420 series CPAP or BiPAP machine to a 12-volt cigarette lighter power source in your automobile. Great for those who travel by vehicle often such as campers or long distance truck drivers. Please note: This product will NOT work with PB425 or PB425ST BiPAP. This power cord is for use only with Puritan Bennett 420 series machines that are going to be plugged directly into a cigarette lighter socket. If you would like to plug your Puritan Bennett machine directly into a 12-volt battery, please see our Puritan Bennett 12-Volt DC Power Cord, Battery Connection Cable.
