Weighing in at a mere 2.8 pounds, the Inogen One G4 is the perfect concentrator for those with an active and on-the-go lifestyle! At only 40 decibels it’s as quiet as a small refrigerator and perfect for church or social settings. The 8 cell extended battery gives you up to 4 hours of runtime (on a setting of 2) so you’ll have plenty of time for shopping, travel, or extended visits to see the family.
Inogen One G4 – Small and Light Concentrator
Weighs only 2.8 Pounds!
This new addition to the world’s most popular Inogen brand is compact, lightweight, and user-friendly. At just 2.8 pounds, the Inogen G4 is approximately half the size of its counterpart, the G3 which weighs in at just under 5 pounds.
The G4 features 1-3 pulse dose oxygen delivery settings and includes a standard 3 year warranty on the unit. This portable concentrator is meant to dramatically increase convenience and independence and can be charged at home or on the go.
Features and Highlights of the Inogen One G4
- 1-3 pulse dose settings
- Rechargeable standard (1.25-3 hour) battery with optional external (2.5-5 hours) battery
- Designed for 24/7 use
- AC (wall) and DC (automotive) power supply
- Only 40 decibels
- Simple control functions and easy to read display
- Includes 3 Year Manufacturer’s Warranty on unit
- Package includes carrying strap and robust carrying bag, AC/DC power chords, cannula, and manual

1-3 Pulse Dose Settings
Rechargeable Standard Battery
Designed for 24/7 Use
Call 1-800-941-1402 for More Details
Need More Information?
Let one of our oxygen specialists help you select the right unit for your oxygen needs.
Please fill out our easy form below for more information.