Regain Your
Independence

Live life to its fullest again with innovative,
affordable, and portable oxygen therapy.

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Tell us about your current supplemental oxygen state?

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Have a prescription for supplemental oxygen

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Doctors Recommend It

Watch Video

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

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"The Inogen At Home oxygen concentrator has given me back my pre-oxygen freedom of movement."

- Claudia Holland

Find The System for YOU

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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!

Oxygen. Anytime. Anywhere.®

Our most popular unit, the Inogen One G4, is our smallest and lightest portable oxygen solution at only 7.8 inches and 3.3 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

Inogen Connect The Bluetooth App

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.

Reclaim Your Freedom

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.

Benefits of Portable Oxygen Therapy

Start enjoying your freedom with an Inogen portable oxygen concentrator.

24/7 oxygen delivery
Hassle-free travel
Lightweight and easy to carry
Ultra-quiet
No tanks or refills
Long-lasting, rechargeable battery

Compare Oxygen Solutions


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
Airline Approved
Single Solution
User Replaceable Batteries
Intelligent Delivery Technology
Flow Settings	1 - 3	1 - 6	1 - 5	1 - 3	1 - 5
Weight	3.3 lbs	5.7 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.