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Health is Your
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And, if you or a loved one is prescribed
medical oxygen, hope is here. Finally,
reclaim your freedom with Inogen’s
affordable, portable oxygen therapy.

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And, if you or a loved one is prescribed
medical oxygen, hope is here. Finally,
reclaim your freedom with Inogen’s
affordable, portable oxygen therapy.

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!

Oxygen. Anytime. Anywhere.®

Finally, no more struggling with heavy tanks, constant refills, and literally being leashed to a stationary system in order to breathe better when coping with a chronic lung condition or disease. Inogen One® portable oxygen concentrators deliver oxygen effectively and efficiently whether you are sleeping, at rest or exerting yourself.

Portable oxygen therapy can help you live longer, experience fewer complications and symptoms, provide a wealth of important health benefits, allow you the freedom to maintain an active social life, and significantly improve your overall quality of life!

Oxygen Tank
  • Converts air around you into medical-grade oxygen
  • No tanks to refill, replace, or worry if they’ll be delivered on time
  • Meets FAA requirements for airline travel
  • Ultra-small, powerful and lightweight so you can return to doing things you love
  • The portable oxygen concentrators with Intelligent Delivery Technology® – clinically proven to address your specific needs 24/7 to ensure you have the right flow when awake and asleep

Click on each to take a closer look!

Small and Powerful

Inogen One

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Inogen G3
Smallest & Lightest!

Inogen One

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Inogen G5
Most Popular!

Inogen One

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Inogen G4

Access oxygen anywhere—without overpaying.

Inogen One G3product_features

Access oxygen anywhere—without overpaying.

Don’t want to be stuck at home missing out just because you need or can’t afford oxygen? The Inogen One G3 System is a small, quiet, powerful, portable system and may be covered by Medicare or other insurance. We’ll check your eligibility for free with absolutely no obligation. It even comes with a convenient carry bag to take your system with you for oxygen wherever you go.

  • 5 flow settings
  • Same purity as large concentrators
  • Ultra-small, quiet, and lightweight (only 4.8 Ibs. with a single battery)

‡Weight for single battery. Double battery weight is 3.3 Ibs.

Finally, take your oxygen on-the-go!

Inogen One G4product_features

Finally, take your oxygen on-the-go!

Finally, you’re no longer stuck at home—missing out on truly living life. We developed one of the 1st portable oxygen concentrators (POC) ever, to help get you or your loved one the life-saving oxygen you need – wherever you go. The Inogen One G4 is the smallest system available. This super lightweight, easy-to-use, all-in-one solution provides stationary or portable 24/7 oxygen delivery using the air around you!

  • 3 flow settings
  • Inogen Connect, the Bluetooth app, makes monitoring battery life and more super easy
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  • Only 2.8 Ibs. with a single battery!

‡Weight for single battery. Double battery weight is 3.3 Ibs.

Don’t want to stop to charge?

Inogen One G5product_features

Don’t want to stop to charge?

You need the Inogen One G5 for oxygen on-the-go. The newest breakthrough in oxygen therapy is here to help you claim your life back! This lightweight (4.7 pounds) and compact (8.5 inches) portable oxygen solution has the longest-lasting, rechargeable double battery for up to 13 hours of oxygen flow and a convenient carry bag so you can freely go about your days—without worrying about running out of time—or oxygen.

  • 6 flow settings
  • Inogen Connect, the Bluetooth app, makes monitoring battery life and more super easy
  • Google PlayApple Store
  • Longest battery life in one charge! Up to 13 hours of oxygen freedom with a double battery!

‡Weight for single battery. Double battery weight is 5.7 Ibs.

Compare Inogen systems with similar solutions from leading brands:

Inogen g3 Inogen g4 Inogen g5 Oxygen Device Oxygen Device
FEATURE INOGEN ONE G3 INOGEN ONE G4 INOGEN ONE G5 OTHER BRAND OXYGEN DEVICE 2 OTHER BRAND OXYGEN DEVICE 3
02 Capacity 1050 ml/min 630 ml/min 1,260 ml/min 520 ml/min 1000 ml/min
Airline Approved
Single Solution
User Replaceable Batteries
Intelligent Delivery Technology
Flow Settings 1 - 5 1 - 3 1 - 6 1 - 3 1 - 5
Weight* 4.8 lbs 2.8 lbs 4.7 lbs 4.9 lbs 6.7 lbs
Battery Duration** Up to 10 hours Up to 5 hours Up to 13 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.
*Single Battery, **Double Battery

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Real Reviews From Real Customers

As seen in these trusted publications:

  • Reader Digest
  • AARP Logo
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Ready to reclaim your freedom? Experience the possibilities with an Inogen One Portable Oxygen Concentrator.

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