External Battery Charger for FreeStyle Comfort Portable Oxygen Concentrators 1137970 Whether you wear a full

Whether you wear a full face

It offers a continuous flow of oxygen up to 10 LPM

It's a great option for taking your CPAP and battery pack on the road

who has experienced problems due to mouth breathing

Medium & Large) so you'll find your best fit right out of the box

External Battery Charger for FreeStyle Comfort Portable Oxygen Concentrators 1137970 Whether you wear a fullThis External Battery Charger is the ideal companion to your FreeStyle Comfort Portable Oxygen Concentrator, allowing you to keep multiple batteries charged and ready for use whenever you need them. Each Battery Charger comes with an AC Power Supply & Cord for easy charging.