The Inogen One G4 delivers the independence of a portable oxygen concentrator in one of the smallest, lightest, and quietest packages available to the oxygen user today.
With the Inogen One you can jump in the car to run errands, take a weekend trip to see family, or even take it on vacation! The Inogen One G4 meets FAA requirements.
The Inogen One G4 is one solution for oxygen at home, away, and for travel, 24/7. It’s oxygen therapy on your terms.
Click “Add to Cart” to order your Inogen One G4 today and reclaim YOUR freedom!
Scroll below to see the listed accessories included in the Inogen One G4 Freedom Package 1.
*Inogen Systems require a qualifying RX prior to shipment. Once you place an order an Inogen Oxygen Specialist will follow up with you to help you gather your RX information.
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5.91 × 2.68 × 7.2 in (Height includes single battery)
Intelligent Delivery Technology®
Three flow settings from 1-3
AC Power Supply 100-240V, 50-60Hz
(auto sensing to allow worldwide use)
DC Power: for mobile use in car/airplane
Duration (single battery): up to 2.7 hours
Duration (double battery): up to 5 hours
Concentrator Sieve Beds and Accessories: 1 year
See Limited Warranty Statement for details.
Designed for stationary, portable, and travel
*On Setting 2