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    Inogen One G3 Portable Oxygen ConcentratorInogen One G3 Portable Oxygen Concentrator with CannulaWoman with Inogen One G3 Enjoying a Meal with Her HusbandMan with Inogen One G3 Portable Oxygen Concentrator Fishing
Inogen One G3 Portable Oxygen Concentrator

G3 Three-Year Warranty System

$2,495 $2,295
3-year warranty

The Inogen One G3 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 G3 oxygen concentrator, you can jump in the car to run errands or take a weekend trip to see family anytime you want. And, since the Inogen One G3 meets FAA requirements, you can even take it on a plane to go on vacation! The Inogen G3 oxygen concentrator makes traveling with your supplemental oxygen supplies as easy as possible to help improve your quality of life on oxygen therapy.

The Inogen One G3 is your one portable solution for oxygen at home, away and for travel, 24/7. It’s oxygen therapy on your terms. Enjoy improved freedom, mobility and independence with the Inogen G3 oxygen concentrator. Oxygen. Anytime. Anywhere.®

Click “Add to Cart” to order your Inogen One G3 today and reclaim YOUR freedom!

Scroll below for more information about the Inogen G3 oxygen concentrator, including the technical specifications, the accessories included with the Inogen G3 oxygen concentrator system. You can also learn more about available Inogen G3 oxygen concentrator Freedom Packages, which offer a Lifetime Warranty and additional batteries.

*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.
30 Day Risk-Free Trial and Free Shipping offers apply to purchases only.

Compare Inogen Portable Oxygen Concentrators  
Weight Weight:
4.8 Pounds
Flow Settings Flow Settings:
1 - 5
Dimensions Dimensions:
Height: 8.25 IN.
Length: 8.75 IN.
Width: 3.0 IN.
Battery Duration Battery Duration:
Single Battery: Up to 4.7 hours, Double Battery: up to 10 hours
What's Included
Technical Specifications
  • Inogen One G2 and G3 AC Power Supply
    AC Power Supply
  • Inogen One G3 and G4 DC Power Cable
    DC Power Cable (G3)
    DC Power Cable for Inogen One G3 System
  • Inogen One G3 Single Battery
    (1) G3 Single Battery
    Battery duration up to 4.7 hours
  • Inogen One G3 Carry Bag
    Carry Bag (G3)
    Inogen One G3 Carry Bag with adjustable shoulder strap


4.8 lbs


8.75 × 3.0 × 8.25 in (Height includes single battery)

Oxygen Flow

Intelligent Delivery Technology®

Five flow settings from 1-5

Power Settings

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 4.7 hours

Duration (double battery): up to 10 hours

Noise Level

39 dBA*


Concentrator: 3 Years

Concentrator Sieve Beds and Accessories: 1 year

See Limited Warranty Statement for details.


Designed for stationary, portable, and travel

*On Setting 2

Compare to G2 Product Specifications  

Portable Oxygen Concentrator And Medicare Insurance
Call 1-800-630-3144 for a Free Eligibility Check

Follow these 4 easy steps:

Step 1:
Call Us today and we’ll check your eligibility with Medicare or your Insurance company for free with no obligation.

Step 2:
We’ll work directly with your doctor to see if the Inogen One is right for you and obtain the required paperwork.

Step 3:
Next, we’ll test your oxygen levels with one of our staff nurses or respiratory therapists to make sure the Inogen One is meeting your needs defined by your doctor.

Step 4:
After you return the Medicare/Insurance paperwork, the last step is to remove your current oxygen equipment and to finally say goodbye to all those tanks. At that point you’ll be on service with Inogen and part of our growing family..

Thousands of oxygen users have already switched to Inogen’s service and reclaimed their freedom and independence with the Inogen One.

Other G3 Systems Packages

Man with Inogen One G3 Portable Oxygen Concentrator Driving Car
G3 Freedom Package 2
$3,495 $3,195
Lifetime warranty

Includes the G3 standard system package plus:
• One single battery
• One double battery

more details  
G3 Freedom Package 1
$3,495 $3,195
Lifetime warranty

Includes the G3 standard system package plus: • Three single batteries

more details  

Additional Accessories

Backpack (G3)

$100 $70.00

Inogen One G3 Backpack
Backpack (G3)

$100 $70.00

More Details   
G3 Double Battery

$495 $346.50

Inogen One G3 Double Battery
G3 Double Battery

$495 $346.50

More Details   
External Battery Charger (G3)

$285 $199.50

Inogen One G3 External Battery Charger
External Battery Charger (G3)

$285 $199.50

More Details   
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