The Inogen G3 Oxygen Concentrator is a lightweight and portable proving pulse flow oxygen up to 5 liters per minute. Weighing only 4.8 lbs you can easily carry this with you while running errands, in the car or on the plane traveling. Available with a single or double battery for extended use time.
The Inogen G4 Portable Concentrator is the lightest and smallest concentrator providing medical oxygen, weighing only 2.8 lbs. Capable of 24/7 use day and night, something many other portable concentrators are not capable of.