Inogen One G3 Portable Oxygen Concentrator

Inogen (Model: IS-300-3Y)
Price: $2,495.00
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5 Year Limited Warranty
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This best selling portable oxygen concentrator has five pulse flow settings ranging from 1-5 LPM to accommodate various oxygen therapy users. Weighting at only 4.5 lbs with a single battery.

Total: $

Key Specs

Weight Liters Per Minute Sound Level Length Width Height Warranty
Weight 4.8 (w/ single battery) Liters Per Minute 1-5 LPM Sound Level 42 dB Length 3.0" Width 8.25" Height 8.75" Warranty 5 Year Limited


The Inogen One G3 Portable Oxygen Concentrator is one of the smallest & lightest oxygen concentrators that can supplement up to 5 settings of oxygen. Weighing in at only 4.8 lbs, this innovative oxygen concentrator is light enough to carry with its long battery life. The compact & portable Inogen One G3 oxygen machine provides you with an unlimited supply of medical grade oxygen, so you never have to worry about rubbing out of oxygen when leaving the house or traveling. This also means that you no longer have to worry about managing your oxygen tanks. The Inogen One G3 unit has five pulse flow settings ranging from 1-5 to accommodate various oxygen therapy users & patients.

The Inogen One G3 POC is intended for use everywhere as your single solution oxygen concentrator. The unit comes with both an AC charger and DC Charger allowing you to use it at home and when traveling. You’ll never need to switch over from your stationary home oxygen to your personal portable oxygen. The same goes for daytime use and nighttime use: the Inogen One G3 oxygen concentrator is powerful enough to handle all your oxygen needs.

The Inogen One G3 is one solution for oxygen at home, away, and for travel, 24/7. It’s oxygen therapy on your terms.


Weight 4.8 lbs
Dimensions 8.75" x 3.0" x 8.25" (Height Includes Single Battery)
Oxygen Flow Intelligent Delivery Technology
Five Flow Settings From 1-5
Power Settings AC Power Supply 100-240 V, 50-60 Hz
(Auto Sensing to Allow Worldwide Use)
DC Power: for mobile use in car/airplane
Battery Duration (Single Battery): Up to 4.5 Hours
Duration (Double Battery): Up to 9 hours
Noise Level Less Than 42 Decibels at Flow Setting 2
Warranty Concentrator: 5 Years
Concentrator Sieve Beds and Accessories: 1 Year
See Limited Warranty Statement for Details.
Use Designed for Stationary, Portable, and Travel


  • 5 Year Limited Warranty

Return Policy

We want you to be completely satisfied with your purchase. You may return your purchase within 30 days of receipt - see below for exceptions. To qualify for a return, please note the following:

  • Product must be unused, clean and not damaged
  • Original packaging and materials intact (i.e. instructions, warranty information)
  • Return shipping costs are the responsibility of the customer

Restocking Fees

A 15% restocking fees applies to all returns.

No Returns

There are no returns on the following categories of products:

  • Custom equipment
  • Ultralightweight wheelchairs
  • Sport wheelchairs
  • Handcycles
  • Lift Chairs with custom fabrics and/or heat and massage
  • Bath safety equipment
  • Mattresses
  • Wound care
  • Incontinence
  • Masks
  • Braces
  • Stockings
  • Batteries
  • Orthopedic supplies

Return Process

To return a product, the above conditions must be met. We require that all returns follow these instructions for proper processing:

  1. Call or email to request Return Authorization Number (RA)
  2. Warehouse must receive item within 15 days of an RA# being issued
  3. Report via phone or email a tracking number to customer service
  4. Items sent without an RA number cannot be credited
  5. The buyer is responsible for return postage costs


All credits will be given after receipt and warehouse inspection approval.

Inspect Your Product When It Arrives

Damaged or Defective Products: Please inspect your package when it arrives. If it is defective, damaged or short an item please notify us within 3 business days of delivery. Customer Service toll-free 888-982-8889. If you receive a damaged product we will replace any damaged or defective parts or replace the product at manufacturer's discretion.

Our service area covers most of Southern California including Los Angeles and surrounding cities.
To see a full list of cities covered in our service area please .