Sale!

Inogen One G4 Portable Oxygen Concentrator (Front-Side View)

Inogen One G4 Portable Oxygen Concentrator (Front View)

Inogen One G4 Portable Oxygen Concentrator Next to Coffee Mug

Woman with Inogen One G4 at Grocery Store

Inogen One G4 Portable Oxygen Concentrator

G4 Freedom Package 1

~~$3,495~~ $3,195

30 DAY RISK-FREE TRIAL & FREE SHIPPING!*

Lifetime warranty

The Inogen One G4 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 One you can jump in the car to run errands, take a weekend trip to see family, or even take it on vacation! The Inogen One G4 meets FAA requirements.

The Inogen One G4 is one solution for oxygen at home, away, and for travel, 24/7. It’s oxygen therapy on your terms.

Click “Add to Cart” to order your Inogen One G4 today and reclaim YOUR freedom!

Scroll below to see the listed accessories included in the Inogen One G4 Freedom Package 1.

*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:
2.8 Pounds

Flow Settings:
1 - 3

Dimensions:
Height: 7.2 IN.
Length: 5.91 IN.
Width: 2.68 IN.

Battery Duration:
Single Battery: Up to 2.7 hours, Double Battery: up to 5 hours

Sound Level:
40 dBA @ Setting 2

Inogen Connect:
Bluetooth Mobile App

What's Included

Technical Specifications

AC Power Supply

AC power supply for the Inogen One G4
DC Power Cable

DC Power Cable for Inogen One G4 System
(3) G4 Single Batteries

Battery duration up to 2.7 hours
G4 Carry Strap

Easily carry your Inogen One G4 with this shoulder strap.
G4 Bag

The G4 bag provides a protective covering for your Inogen One G4.

Weight

2.8 lbs

Dimensions

5.91 × 2.68 × 7.2 in (Height includes single battery)

Oxygen Flow

Intelligent Delivery Technology^®

Three flow settings from 1-3

Power Settings

AC Power Supply 100-240V, 50-60Hz

(auto sensing to allow worldwide use)

DC Power: for mobile use in car/airplane

Battery

Duration (single battery): up to 2.7 hours

Duration (double battery): up to 5 hours

Noise Level

40 dBA*

Warranty

Concentrator: Lifetime

Concentrator Sieve Beds and Accessories: 1 year

See Limited Warranty Statement for details.

Use

Designed for stationary, portable, and travel

*On Setting 2

Compare to G3 Product Specifications

Other G4 Systems Packages

Lady in Red with Inogen One G4 Portable Oxygen Concentrator

G4 Freedom Package 2

~~$3,495~~ $3,195

Lifetime warranty

Includes the Inogen One G4 Freedom Package 2 with a lifetime warranty.

more details

G4 Freedom Package 3

~~$3,765~~ $3,465

Lifetime warranty

Includes the Inogen One G4 Freedom Package 3 with a lifetime warranty.

more details

Additional Accessories

External Battery Charger (G4)

~~$285~~ $199.50

External Battery Charger (G4)

~~$285~~ $199.50

More Details

G4 Double Battery

~~$495~~ $346.50

G4 Double Battery

~~$495~~ $346.50

More Details

CUSTOMER STORIES

"So many things are now possible. I feel like my old self again. If you want your life back, get an Inogen."
- Carol Z.
"The Inogen customer service reps have been outstanding with their follow up and service. My grandson is a blessing!"
- Carl G.
"I had been told that Inogen made the best POC on the market, so I called to inquire about it. When I learned that the Inogen came with a lifetime warranty, I decided to buy it, and I am so happy now that I did."
- Sarah G.
"The Inogen is lighter and does not leave me high and dry with no air. Where a bottle will run out when you need it the most."
- Richard K.
"The personnel at Inogen have been a delight to work with and are excellent in Customer Care. My neighbor commented one day as I returned home - boy, you sure get around with that thing. How true! I am very happy with my Inogen One."
- Barbara J.

Connect With Us