SAFE & SECUREssl secure connection

You have no items in your shopping cart.

Product was successfully added to your shopping cart.

Inogen One G4 Portable Oxygen Concentrator

Quick Overview

Inogen One G4 Portable Oxygen Concentrator is designed to give users the freedom to live an active lifestyle. It is lightweight (2.8 lbs), which makes it one of the smallest portable concentrators on the market. Because of its size, it can easily be carried with an adjustable shoulder strap. This device provides oxygen therapy on the go. You can take it with you shopping, to family gatherings, or for a picnic in the park.

RX Required
Sku Description Size Price
IS-404 Concentrator with One Single Size Battery Each
IS-408 Concentrator with One Double Size Battery Each
IS-408-S Concentrator with One Single and One Double Size Battery Each

Availability: In stock


The Inogen One G4 is extremely quiet (40 dBA at flow setting 2) and features 3 pulse dose settings. This Concentrator includes a rechargeable battery and two power supply cords; AC & DC. The unit can operate while connected to either power source. The AC power cord can be plugged into any wall outlet and the DC power cord allows you to use the device in the car, on a boat, or in a recreational vehicle. The single battery holds a charge for up to 2.7 hours and the double battery holds a charge up to 5 hours.

This Portable Oxygen Concentrator is designed with a easy-to-navigate interface with a simple LCD display. It is a low maintenance concentrator that is built to deliver oxygen therapy 24/7. has a wide variety of Portable Oxygen Concentrators. Shop today and find the device that best fits your therapy needs.

Product Specifications

  • Simple LCD Display
  • AC & DC Power Supply
  • Rechargeable Battery
  • 3 Pulse Dose Settings
  • Compact and Lightweight
  • Easy-to-Navigate Interface
  • Adjustable Shoulder Strap

Product Specifications

  • Manufacturer: Inogen
  • Product Numbers: IS-404, IS-408, IS-408-S
  • Device Weight: 2.8 lbs (Including Battery)
  • Length: 5.91 Inch
  • Width: 2.68 Inch
  • Height: 7.2 Inch
  • Noise Level: 40 dBA at Flow Setting 2
  • Oxygen Flow: Pulse Dose
  • Flow Settings: 1, 2, 3
  • Power: AC & DC Power Supply
  • Single Battery Duration: Up to 2.7 Hours
  • Single Battery Recharge: 3 Hours w/AC & DC Power
  • Double Battery Duration: Up to 5 Hours
  • Double Battery Recharge: Approx. 5 Hours w/AC & DC Power
  • Operation: Simple LCD Display
  • Use: Designed for 24/7 Use
  • Warranty: 3-Year Standard

Manuals and Documents

Product Videos


Inogen One G4 Portable Oxygen Concentrator Review - Bruce Flanders Video (2:27 minutes)



Inogen One G4 Tutorial: Unpacking The Device Video (7:12 minutes)



Additional Information

Rx Type Concentrator Portable
Prop 65 N/A
Manufacturer Inogen
Select Your Options No
Compression Style No
  1. Be the first to review this product

Write Your Own Review

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars