Inogen One G3 Portable Oxygen Concentrator - Certified Pre-Owned Upgrade to Extended Life 16 Cell Battery?:Yes 25 hours at a continuous

25 hours at a continuous flow setting of 2

it evenly distributes pressure while maintaining a secure seal

This electric lift by Drive Medical charges quickly and easily from an AC outlet thanks to a convenient non-removable rechargeable battery

Engineered to reduce the cost of providing oxygen at higher liter flow and has fewer parts than any other concentrator on the market

making it one of the most versatile and reliable full-face masks on the market

Inogen One G3 Portable Oxygen Concentrator - Certified Pre-Owned Upgrade to Extended Life 16 Cell Battery?:Yes 25 hours at a continuousThe new Inogen One G3 delivers the independence of our original oxygen concentrators, but its smaller, lighter, and makes more oxygen per pound with a longer battery life. In addition to the Inogen One Portable Oxygen Concentrator, the listed accessories below comprise the Inogen One System. The Inogen One System includes everything that you need to achieve independence. System Includes: One single battery Concentrator Standard 1 year warranty AC DC