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Live life to its fullest again with innovative,
affordable, and portable oxygen therapy.
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Doctors Recommend It
Dr. Jeffrey Kupperman, Pulmonologist in practice in Santa Barbara, California, discusses why he recommends the Inogen One portable oxygen concentrator to his patients.
Patients Love It
"The Inogen At Home oxygen concentrator has given me back my pre-oxygen freedom of movement."
- Claudia Holland
Find The System for YOU
Oxygen delivery reimagined. No tanks required! Our lightweight, easy-to-use and portable oxygen concentrators help you move freely about your home—and out and about in the world!
Our most popular unit, the Inogen One G4, is our smallest and lightest portable oxygen solution at only 7.2 inches tall and 2.8 pounds. Inogen delivers the same purity of oxygen as in a large oxygen concentrator, but in a smaller unit. Plus, get a convenient carry bag for your Inogen One G4 included with your purchase.
Perfect for on the go, the Inogen One G4’s rechargeable battery gives you up to 5 hours of oxygen freedom. You can even recharge the battery with your car’s power port. The ultra-quiet unit makes its own oxygen from the air around you, so there are no tanks to refill or replace.
The Inogen One G4 meets FAA requirements, so you can enjoy hassle-free travel. Now you can have Oxygen. Anytime. Anywhere.®
As Seen in These Publications
Real Reviews From Real Customers
Introducing Inogen Connect, the free mobile app now available for Inogen One. Monitor your Inogen One with your phone to check battery life and column status, set maintenance reminders, receive special discounts and more. Download the app for free from the Apple App Store or the Google Play App Store.
A portable oxygen concentrator (POC) is a lightweight, easy-to-use solution for anyone who benefits from oxygen therapy. Compare oxygen solutions below to see what’s right for you.
Start enjoying your freedom with an Inogen portable oxygen concentrator.
|FEATURE||INOGEN ONE G4||INOGEN ONE G5||OTHER BRAND OXYGEN DEVICE 1||OTHER BRAND OXYGEN DEVICE 2||OTHER BRAND OXYGEN DEVICE 3|
|02 Capacity||630 ml/min||1,260 ml/min||1000 ml/min||520 ml/min||1000 ml/min|
|User Replaceable Batteries|
|Intelligent Delivery Technology|
|Flow Settings||1 - 3||1 - 6||1 - 5||1 - 3||1 - 5|
|Weight||2.8 lbs||4.7 lbs||5 lbs||4.9 lbs||6.7 lbs|
|Battery Duration||Up to 5 hours||Up to 13 hours||Up to 9 hours||Up to 5.5 hours||Up to 4.25 hours|
|Battery life and flow setting depend on usage and environment. Settings subject to change.|
*Includes single battery.
*Includes single battery.
© 2023 Inogen. All Rights Reserved.
Specifications apply to all units produced after December 7, 2015.
*By submitting this information, I authorize Inogen INC., its affiliates, subsidiaries and/or partner company to contact me, including by phone.
Call now to speak to an Inogen representative to learn more about our products:1-800-905-2218