how does an oxygen concentrator workG3 Top View
Inogen One G3 Portable Oxygen Concentrator

G3 Three-Year Warranty System

3-year warranty

The new Inogen One G3 delivers the independence of our original oxygen concentrators, but it’s smaller, lighter, and makes more oxygen per pound with a longer battery life. In addition to the Inogen One Portable Oxygen Concentrator, the listed accessories below comprise the Inogen One System. The Inogen One System includes everything that you need to achieve independence.

*Inogen Systems require a qualifying RX prior to shipment. 

compare to G3   G3 set up video  
Weight Weight: 4.8 Pounds
Flow Settings Flow Settings: 1 - 4
Dimensions Dimensions:
Height: 8.25 IN.
Length: 8.75 IN.
Width: 3.0 IN.
Battery Duration Battery Duration: Single Battery: Up to 4.5 hours, Double Battery: up to 9 hours
What's Included
Technical Specifications
  • AC Power Supply
    Works with both G2 & G3 Models
  • G3 DC Power Supply
    DC Power Cable (G3)
    DC Power Cable for Inogen One G3 System
  • (1) G3 Single Battery
    Battery duration up to 4.5 hours
  • 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
Four flow settings from 1-4

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 4.5 hours
Duration (double battery): up to 9 hours

Noise Level
Less than 42 Decibels at flow setting 2

Concentrator: 3 Years
Concentrator Sieve Beds and Accessories: 1 year
See Limited Warranty Statement for details.

Designed for stationary, portable, and travel

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

G3 Freedom Package 2
Lifetime warranty

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

more details  
G3 Freedom Package 1
Lifetime warranty

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

more details  

Additional Accessories

View all G3 Systems accessories 

G3 Backpack
Backpack (G3)


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G3 External Battery Charger
External Battery Charger (G3)


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Inogen One G3 Double Battery
G3 Double Battery


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