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The Inogen One G4 System (IS-400)

Your Price:

  • FREE Batteries
  • "Best on the Web" Return Policy
  • Free Shipping for Orders over $50
  • 5 Year Limited Warranty
  • White Glove Available
  • In-Home Service
Total Price:

Quick Overview

  • Highest Capacity at or Below 5 Pounds
  • Ultra-Quiet, Reliable Operation
  • Clinically Proven for 24/7 Use
  • Unique Field-Changeable Sieve Beds

*Included with system
**Accessory sold separately


The lightweight Inogen One® G4 portable oxygen concentrator has the highest capacity
of any portable weighing at or below 2.8 pounds. Patients appreciate its ultra-quiet
and reliable operation for 24/7 use. Sieve beds are easily field changeable with no tools required. Advanced diagnostics take the guesswork out of patient support.

The Inogen One® G4 offers the patient a single solution for oxygen at home or away, day or


  • Weight: 2.8 lbs. (includes single battery)
  • Size Length: 5.91" ; Width: 2.68" ; Height: 7.2" (includes single battery)
  • Oxygen Flow: Pulse dose delivery system ; Three flow settings 1, 2, 3
  • Power: AC Power Supply 100-240V, 50-60Hz (auto sensing to allow worldwide use) DC Power Cable: for mobile use in car
  • Battery Duration (single battery): Up to 3 hours
    Recharge approximately 3.25 hours with AC or DC power
    Duration (double battery): Up to 6 hours
    Recharge approximately 6 hours with AC or DC power
  • Noise Level: 40 dBA*
  • Warranty: 3 year standard warranty**
  • Operation: Simple control functions and easy-to-read LCD display
  • Use: Designed for 24/7 use

Standard Shipping: 5 Business Days

White Glove Delivery: 10 Business Days

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