Call (toll free) to speak to an Oxygen Specialist now:

1-888-888-5555

Regain Your
Independence

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

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

Reclaim Freedom
To Enjoy Life Again

Do things you love as it makes medical
grade-oxygen from the air around you,
anywhere.

Reclaim
Freedom To
Enjoy Life Again

Do things you love as it makes medical
grade-oxygen from the air around you,
anywhere.

Health is Your
Greatest Wealth

If you or a loved one is prescribed medical
oxygen, hope is finally here with portable
oxygen therapy.

If you or a loved one is prescribed medical oxygen, hope is finally here with portable oxygen therapy.

Call (toll-free) to speak to an Inogen
representative now:

Phone icon1-855-531-7546

Badge over 750k people

TRY IT RISK FREE FOR 30 DAYS!

Close button

Now you can live your life in moments, not minutes left in an oxygen tank.

Is this for you or a loved one?

We take your privacy concerns seriously.
Learn more about our privacy policy.

Inogen BBBLong life logoUSA Logo

1By submitting this information, I authorize Inogen to contact me including by phone.

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!

Small and Powerful

Inogen One

g3-system-tagsTrustpilot 5syar image
Inogen G3
Most Popular!

Inogen One

g4-system-tagsTrustpilot 5syar image
Inogen G5
Newest Inovation!

Inogen One

g5-system-tagsTrustpilot 5syar image
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)
  • Meets FAA guidelines for travel!

*Includes single battery.

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
  • Same purity as large concentrators
  • Battery life up to 13 hours on double battery
  • Meets FAA guidelines for travel!

*Includes single battery.

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
  • Only 4.7 lbs.
  • * Battery life up to 13 hours on double battery
  • Meets FAA guidelines for travel!

*Includes single battery.

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.
Google Mobile

Ready to reclaim your freedom? Experience the possibilities with an Inogen One Portable Oxygen Concentrator.

  • Claim up to 20% OFF MSRP & FREE Shipping
  • Try it risk-free for 30 days
  • Pay little to nothing with Medicare Coverage
  • Ask about our flexible financing
Google Mobile

TRY IT RISK FREE FOR 30 DAYS!

TRY IT RISK FREE FOR 30 DAYS!

Now you can live your life in moments, not minutes left in an oxygen tank.

Is this for you or a loved one?

We take your privacy concerns seriously.
Learn more about our privacy policy.

BBB Rating A+Long life logoDesigned and assembled in USA

1By submitting this information, I authorize
Inogen to contact me including by phone.