Inogen One G3 Portable Oxygen Concentrator System
Inogen One G3 Portable Oxygen Concentrator System

Inogen One G3 Portable Oxygen Concentrator System

Brand/Manufacturer: INOGEN
  • Prescription required

Inogen One G3 Portable Oxygen Concentrator System is used by patients who require supplemental oxygen on a prescriptive basis. It delivers the independence of a portable oxygen concentrator in one of the smallest, lightest, and quietest packages available to the oxygen user today. The Inogen One G3 is one solution for oxygen at home, away, and for travel, 24/7. It’s oxygen therapy on your terms.

Why use Inogen One G3 POC?

  • Flow settings 1-5
  • Ultra-Quiet, Reliable Operation
  • Use Unique Field-Changeable Sieve Beds
  • Clinically Proven for 24/7

Note: Prescription can be emailed or faxed to 1.203.616.2851. To email please: Click Here

Price Match Guarantee

PayPal Credits6 Payments: Starts From $382.50

Item #DescPkgRewardPrice 
IS-300-NA With 8 Cell Battery Each $68.85
IS-300-NA16 With 16 Cell Battery Each $73.95

Inogen One G3 Portable Oxygen Concentrator System Features

  • No tanks to refill and no worry of running out of oxygen
  • It contains:
    • Rechargeable Lithium Ion Battery
    • Inogen One G3 Portable Oxygen Concentrator
    • DC Power Cable
    • Nasal Cannula
    • Inogen One G3 Carry Bag
    • AC Power Supply
    • User Manual

  • Power Sensing:
    • AC Power Supply: 100V to 240V, 50 to 60Hz (auto sensing allows for worldwide use)
    • DC Power: for mobile use

  • Provides independence of use anytime and anywhere
  • Easy-to-read LCD display and simple control functions
  • Lightweight and compact
  • Designed for both stationary and portable use
  • Travels easily in a pack or on wheels
  • Can be carried conveniently while travelling
  • Needs minor maintenance only
  • Low power usage and extremely quiet

NOTE: Prescription can be faxed to 1.203.616.2851 or emailed to

G3 POC User Manual
Inogen One G3 Instructions

Inogen Portable Oxygen System Parts

Important Parts

What Does Inogen One G3 Includes?

Nasal Cannula:

  • Nasal cannula must be used with the Inogen One oxygen concentrator to provide oxygen from the concentrator
  • A single lumen cannula up to 25 feet in length is recommended to ensure proper breath detection and oxygen delivery
  • To ensure oxygen flow, ensure that the nasal cannula is properly connected to the nozzle fitting and that the tubing is not kinked or pinched in any way
  • Replace the nasal cannula on a regular basis

Power Supply Options:

Single and Double Rechargeable Lithium Ion Batteries:
  • The battery will power the G3 POC without connection to an external power source
  • When fully charged, a single battery will provide up to 4.5 hours of operation; a double battery will provide up to 9 hours of operation
  • The battery recharges are properly installed in the Inogen One G3 and the concentrator is connected to AC or DC power
  • Recharging time is up to 4 hours for a single battery and 8 hours for a double battery

Power Supply:

  • Inogen One G3 AC Power Supply is specifically designed for use with the Inogen One G3 Oxygen Concentrator
  • The AC power supply provides the precise current and voltage required to safely power the Inogen One G3 and is designed to operate from specified AC power sources
  • When used with AC power sources, the power supply automatically adapts to input voltages from 100V to 240V (50-60HZ) permitting use with most power sources throughout the world

Carry Bag:

  • The Inogen One G3 Carry Bag provides a protective cover with a handle and adjustable shoulder strap to enable you to carry the Inogen One G3
  • The Inogen One G3 can be operated using battery power during transport with the Carry Bag
  • The carry bag is designed so that the Inogen One G3 Concentrator is loaded into the carry bag from the bottom of the bag
  • The expandable zippered bottom is designed with an adjustable zipper for use with a single or double battery and easy access for changing the battery
  • The expandable section is not intended for use as a storage compartment

How Does Inogen One G3 Work?

  • Purifies air continuously from the atmosphere
  • Delivers purified oxygen via nasal cannula
  • Removes nitrogen to deliver oxygen-rich air
  • Powered by rechargeable battery or any AC or DC power source

How to use Inogen One G3 – IS-300?

  1. Slide the battery onto the bottom of the system until the latch clicks into place
  2. Connect AC power cord to the power supply
  3. Connect the power supply to the Inogen One G3
  4. Plug into closest AC outlet
  5. Turn on the Inogen One G3 by pressing the on/off button
  6. Set the Inogen One G3 to correct flow setting prescribed by the physician or clinician by pressing the Increase flow or Decrease flow button
  7. Attach cannula to the metal hose barb located next to the handle of the Inogen One G3


  • This device should be used only when prescribed by a physician
  • Inogen One G3 is not designed or specified to be used in conjunction with a humidifier, nebulizer or connected with any other equipment
  • Use of this device with a humidifier, nebulizer or connected with any other equipment may impair performance and/or damage the equipment


  • Inogen One G3 produces enriched oxygen gas which accelerates combustion. Do not allow smoking or open flames within 10 feet of this device while in use.
  • Do not submerse the Inogen One G3 or any of the accessories in liquid. Do not expose to water or precipitation. Do not operate in exposed rain. This could lead to electrical shock and/or damage.
  • Do not use oil, grease, or petroleum-based products on or near the Inogen One G3
  • Never leave the Inogen One G3 in an environment which can reach high temperatures, such as an unoccupied car in high temperature environments. This could damage the device.

Surface Cleaning:

  • The outside case should be cleaned using a cloth dampened with a solution of mild detergent like dishwashing detergent and water
  • Avoid getting water in or around the battery connectors, power jack, or vents

Inogen One G3 Oxygen Concentrator Specifications

Weight4.8lb (includes single battery)
Flow SettingIntelligent Delivery Technology
Four flow settings from 1-5
Noise Level42 Decibels
BatteryDuration (single battery): up to 4.5 hours
Duration (double battery): up to 9 hours
Recharge approximately 2-4 hours (single battery) with AC or DC power
Recharge approximately 4-8 hours (double battery)with AC or DC power

Inogen One G3 POC Warranty

5 year warranty

Customer Reviews

Questions & Answers

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We are planning to switch oxygen tank for my cousin. I have heard that Inogen One G3 is not continuous flow machine, but still it can be used during night.
Peter - 4/11/2017 1:30:23 AM
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Inogen One G3 Portable Oxygen Concentrator System is a pulse dose. It is designed to be used 24 hours a day, 7 days a week. The technology used in Inogen One is effective at providing the necessary oxygen for most ambulatory patients during all phases of daily activity and during sleep.
Customer Care - 4/12/2017 6:55:26 AM
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Do you have a 2 wheel cart for your POC IS-300G3?
Mario Rocchi - 10/5/2016 4:43:55 PM
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Thank you for contacting customer care service.
Sorry, we do not have 2 wheel cart for Inogen One G3 Portable Oxygen Concentrator. 
But we have different types of carts available on our site. 
 You can check from them.
Customer Care - 10/6/2016 1:31:12 AM
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how do I get the level of oxygen from 1 to 3?
Claudia Blansfield - 5/28/2016 6:36:49 PM
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The Inogen One G3 offers pulse only settings of 1,2,3,4 or 5 LPM. You can change settings from here.
Customer Care - 5/30/2016 2:20:49 AM
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would my insurance paid a percent of the cost?
patricia ekakiadis - 6/24/2015 10:10:32 PM
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Sorry, we do not deal with Medicare or Insurance. You may check with manufacture directly, if they could help.
Customer Care - 6/25/2015 12:11:14 AM
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Is this item covered byMedicare
Millie - 5/12/2015 4:09:49 PM
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We do not deal in Medicare, please contact manufacturer directly.
Customer Care - 5/13/2015 1:29:55 AM
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Do you carry Inogen G3 O2 columns?
Don Mahoney - 2/23/2015 8:47:33 AM
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Please refer to below link for Inogen One G3 Replacement Columns.
Customer Care - 4/3/2017 6:11:33 AM
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Customer Care - 2/27/2015 7:11:55 AM
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