
G4 Systems & Accessories
The Inogen One G4 System
The Inogen One G4 is our lightest and smallest portable oxygen concentrator*. It is a 3-setting device designed for patients who are on a lower oxygen prescription. It meets stringent FAA requirements for travel and is covered by a 3-year or lifetime warranty. With its reliable, pulse-dose based Intelligent Delivery Technology, the G4 is powered to provide medical grade oxygen delivery all day, every day.

INOGEN ONE G4 System
3-Year or Lifetime Warranty Available
System Includes:
- Portable Oxygen Concentrator
- One battery
- Standard 3-year or lifetime warranty
- AC & DC power supply
- Carry bag
- User manual
- Inogen Connect App (where available)
Additional Packages for the Inogen One G4 System
FREEDOM PACKAGE 1
$3,460
System Includes:
- Three Single Batteries
- Concentrator
- Lifetime Warranty
- AC/DC power supplies
- Carry Bag, User Manual
- Bluetooth System
- Inogen Connect App
FREEDOM PACKAGE 2
$3,460
System Includes:
- One Single Battery
- One Double Battery
- Concentrator
- Lifetime Warranty
- AC/DC power supplies
- Carry Bag, User Manual
- Bluetooth System
- Inogen Connect App
FREEDOM PACKAGE 3
$3,848
System Includes:
- Two Double Batteries
- Concentrator
- Lifetime Warranty
- AC/DC power supplies
- Carry Bag, User Manual
- Bluetooth System
- Inogen Connect App

G4 Accessories
From backpacks to replacement columns, find the gear you need to carry and maintain your oxygen concentrator with greater comfort and peace of mind.