Features: The Respironics DC Cord can be used to operate Respironics’ CPAP Systems where AC is not available. It plugs into a standard cigarette lighter socket found in automotive vehicles. Description: Compatible machines for the Respironics 12VDC Power Cord: All Respironics M Series Machines All PR System One Machines except 60 Series Models Respironics REMstar CPAP/APAP Machines (No REMstar BiPAP units) Respironics Synchrony Machines All Sandman Series Machines All Devilbiss IntelliPAP Series Machines GoodKnight 425/425 ST BiPAP Machines
