Inogen G5 Portable Oxygen Concentrator (Flight Approved)

Inogen one g5 system 3-year or lifetime warranty available system includes: g5 portable oxygen concentrator with a double back up battery with 13 hours battery life per full recharge. the inogen one g5 also meets faa requirements for air travel. has ac & dc power supply. comes with a carry bag,user manual and inogen connect app.