$3,499 · Portable Oxygen Concentrator

This SimplyGo Respironics unit goes as high as 2 liters per minute continuous flow and up to 6 pulsing. It comes with lithium ion batteries, and AC charger. it is FAA approved for use on board most airlines and is exempt as one of your allowable carry on bags as it is a medical device. This is a refurbished unit with a full 1 year warranty.