RE-CERTIFIED Inogen One G5 Portable Concentrator

RE-CERTIFIED: What is in the box? Portable Oxygen Concentrator AC Power Supply DC Power Supply Rechargeable Ion Lithium Battery Carrying Case Shoulder Strap 3 cannulas LIFETIME TECH SUPPORT 24/7 Overview: Introducing the newest machine from the awarding winning line of Inogen portable concentrators; the Inogen One G5.The Inogen G5 is a robust and versatile concentrator that provides 1 to 6 flow settings in a lightweight design weighing under 5 pounds. Utilizing Intelligent Delivery Technology, it is capable of 24/7 oxygen delivery with oxygen production of 1260 ml. It also features a long battery life, access to Inogen Connect, a large and user-friendly LCD screen, and quiet operation. Product Specifications: Designed for full-time usage; 24/7 Single battery lasts up to 6 hours 30 minutes and double battery can go up to 9 hours Inogen Connect Mobile Application FAA Approved Quiet operation at only 38 decibels Dimensions (Single Battery): 8.15" H x 3.26" W x 7.19" L Dimensions (Doubl