Introducing the next innovation to portable oxygen delivery: the Inogen One G4, capable of full 24/7 oxygen delivery in an unbelievably small package! Offering 1-3 flow settings, the Inogen One G4 is one of the smallest, lightest and quietest units available to the oxygen user today.


Included accessories:

  • AC power supply
  • DC mobile charge
  • Carrying bag

Inogen G4 Portable Oxygen Concentrator

$2,295.00 Regular Price
$1,999.00Sale Price
  • Weight
    2.8 lbs


    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


    Duration (single battery): up to 2.7 hours
    Duration (double battery): up to 5 hours


    Noise Level
    40 dBA*


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


    Designed for stationary, portable, and travel


    *On Setting 2