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The Inogen One G4 offers the highest oxygen output per pound of weight of any portable concentrator available in the United States. This incredibly small and lightweight POC delivers the independence that active oxygen patients desire.
With flow settings from 1-3, the Inogen One G4 is designed to provide Freedom to go about your daily activities from gardening, to shopping, to traveling.
With up to 5 hours of battery life*, the Inogen G4 is truly about life on the go. And at less than 3lbs, you can throw it over your shoulder, tuck it in a bag, or wear it on your belt.
Whether at home or on the go, the included AC Power Supply and DC Power Supply make charging a breeze.
The Inogen G4 is available with a 3 year warranty or upgrade to a 5 Year or Lifetime warranty for extended coverage. Customize your Inogen with our large selection of branded accessories.
The Inogen One® G4 - Oxygen. Anytime. Anywhere.