• English
    • Deutsch
    • French
    • Requires WPML plugin
  • Country
    • United States (USD)
    • Deutschland (EUR)
    • Japan (JPY)
FREE SHIPPING FOR ALL ORDERS OF $150
  • Newsletter
  • Contact Us
  • FAQs
Select category
  • Select category
  • 10 Liter Home Concentrators
  • 5 Liter Home Concentrators
  • Batteries
  • Continuous Flow Portable Concentrators
  • Home Oxygen Concentrators
  • Pulse Dose Portable Concentrators
Login / Register
Wishlist
0 Compare
0 items $0.00
Menu
0 items $0.00
Browse Categories
  • Pulse Dose Portable Concentrators
  • Batteries
  • 5 Liter Home Concentrators
  • 10 Liter Home Concentrators
  • Home Oxygen Concentrators
  • Continuous Flow Portable Concentrators
  • Home
  • Shop
  • About us
  • Warranty
  • Financing
  • Contact us
  • FAQ
Sold out
Click to enlarge
Home Pulse Dose Portable Concentrators REFURBISHED Inogen G4
REFURBISHED Inogen G4
REFURBISHED Inogen G4 $0.00
Back to products
REFURBISHED Inogen G5
REFURBISHED Inogen G5 $0.00

REFURBISHED Inogen G4

$0.00

The Inogen® G4 Portable Oxygen Concentrator is designed to move with you. Lightweight, quiet, and reliable, as it delivers pulse-dose oxygen with Inogen’s Intelligent Delivery Technology®. With up to 8 years expected service life and FAA approval for carriage and use for air travel, the G4 the mobility to go where life takes you.

G4: 1-3 LPM
Hours of use: 822

Warranty:
Concentrator Warranty: 60 days
Sieve Beds: 1 year

Inclusions: Carry Bag, AC/DC Chargers, Extended Battery

Made In

USA

Product ID

IS-401-NA8

Brand Name

Inogen

Battery Duration

Setting 1 – Double/extended: 5h 49m Setting 2 – Double/extended: 4h 40m Setting 3 – Double/extended: 2h 44m Setting 4 – Double/extended: 1h 47m

Inclusions

Carry Bag, AC/DC Chargers, Extended Battery

Dimension

14"x12"x10

Weight

11 lbs 6 oz.

New/Preowned

Refurbished

Pre-used Hours

72

Specifications

Net Weight: 3.5 lbs with extended battery attached Oxygen Flow: Intelligent Delivery Technology® 1-4 pulse dose flow settings Compatibility: Inogen® Connect Bluetooth Mobile App Power Settings: AC Power Supply 100-240V, 50-60Hz (auto sensing to allow worldwide use) DC Power: For mobile use in car/airplane Noise Level: 39 dBA @ setting 2

Manufacturer URL

https://www.inogen.com/product/rove4-system/

Shipping Cost

Free Shipping

Stock Status

Call for status

Warranty

Through 8/16/28

Out of stock

Compare
Add to wishlist
SKU: IS-401-NA8-2-D Category: Pulse Dose Portable Concentrators
Share:
  • Description
  • Shipping & Delivery
Description

The Inogen® G4 Portable Oxygen Concentrator is designed to move with you. Lightweight, quiet, and reliable, as it delivers pulse-dose oxygen with Inogen’s Intelligent Delivery Technology®. With up to 8 years expected service life and FAA approval for carriage and use for air travel, the G4 has the mobility to go where life takes you.

G4: 1-3 LPM

Shipping & Delivery
wd-ship-1
wd-ship-2

MAECENAS IACULIS

Vestibulum curae torquent diam diam commodo parturient penatibus nunc dui adipiscing convallis bulum parturient suspendisse parturient a.Parturient in parturient scelerisque nibh lectus quam a natoque adipiscing a vestibulum hendrerit et pharetra fames nunc natoque dui.

ADIPISCING CONVALLIS BULUM

  • Vestibulum penatibus nunc dui adipiscing convallis bulum parturient suspendisse.
  • Abitur parturient praesent lectus quam a natoque adipiscing a vestibulum hendre.
  • Diam parturient dictumst parturient scelerisque nibh lectus.

Scelerisque adipiscing bibendum sem vestibulum et in a a a purus lectus faucibus lobortis tincidunt purus lectus nisl class eros.Condimentum a et ullamcorper dictumst mus et tristique elementum nam inceptos hac parturient scelerisque vestibulum amet elit ut volutpat.

Related products

Sold out
Compare

REFURBISHED Inogen G4

Pulse Dose Portable Concentrators
$0.00

The Inogen® G4 Portable Oxygen Concentrator is designed to move with you. Lightweight, quiet, and reliable, as it delivers pulse-dose oxygen with Inogen’s Intelligent Delivery Technology®. With up to 8 years expected service life and FAA approval for carriage and use for air travel, the G4 the mobility to go where life takes you.

This refurbished 2023 model includes a new manifold, motherboard, columns, upgraded to latest configuration, new housing, and UIP.

G4: 1-3 LPM
Hours of use: 1248

Warranty:
Concentrator Warranty: through 6/22/26
Sieve Beds: 1 year

Inclusions: Carry Bag, AC/DC Chargers, Extended Battery

Add to wishlist
Read more
Quick view
Sold out
Compare

REFURBISHED Inogen G5

Pulse Dose Portable Concentrators
$0.00

Reliable portable concentrator that provides 6 flow options and a long battery life, the Inogen One G5 meets FAA airline requirements. The pulse-dose based Intelligent Delivery Technology provides medical grade oxygen delivery.

Add to wishlist
Read more
Quick view
Compare

NEW CAIRE FreeStyle Comfort Portable Oxygen Concentrator

Pulse Dose Portable Concentrators
$3,290.00

The CAIRE FreeStyle® Comfort® Portable Oxygen Concentrator is a lightweight, body-contoured portable oxygen solution designed for comfort, flexibility, and everyday mobility. With smart pulse-dose oxygen delivery, five flow settings, long battery life options, and FAA-compliant travel capability, the FreeStyle Comfort helps you stay active with confidence.

16 cell battery included.

Prescription required. Please call to place your order or request assistance.

Add to wishlist
Add to cart
Quick view
Sold out
Compare

REFURBISHED Inogen G4

Pulse Dose Portable Concentrators
$0.00

The Inogen® G4 Portable Oxygen Concentrator is designed to move with you. Lightweight, quiet, and reliable, as it delivers pulse-dose oxygen with Inogen’s Intelligent Delivery Technology®. With up to 8 years expected service life and FAA approval for carriage and use for air travel, the G4 the mobility to go where life takes you.

G4: 1-3 LPM
Hours of use: 410

Warranty:
Concentrator Warranty: 60 days
Sieve Beds: 1 year

Inclusions: Carry Bag, AC/DC Chargers, Extended Battery

Add to wishlist
Read more
Quick view
Sold out
Compare

REFURBISHED 2024 Inogen One G5

Pulse Dose Portable Concentrators
$0.00

The Inogen® One G5 Portable Oxygen Concentrator is designed to move with you. Lightweight, quiet, and reliable, as it delivers pulse-dose oxygen with Inogen’s Intelligent Delivery Technology®. With up to 8 years expected service life and FAA approval for carriage and use for air travel, the G5 has the mobility to go where life takes you.

G5: 1-6 LPM
Hours of use: 785

Warranty:
Concentrator Warranty: Manufacturer’s warranty through 5-1-29
Sieve Beds: 1 year

Inclusions: Carry Bag, AC/DC Chargers, Extended Battery

Add to wishlist
Read more
Quick view
Compare

NEW Rhythm Healthcare TOC3 Transportable Oxygen Concentrator

Continuous Flow Portable Concentrators, Pulse Dose Portable Concentrators
$2,499.00

The Rhythm Healthcare TOC3 Transportable Oxygen Concentrator offers both continuous flow up to 3 LPM and pulse dose settings 1–10, making it a flexible option for users who need oxygen support at home or while traveling. At approximately 17.2 lbs with the battery, it is heavier than standard portable concentrators, but it includes a cart and carry bag for easier transport and is designed for 24/7 use.

Add to wishlist
Add to cart
Quick view
Sold out
Compare

REFURBISHED Inogen G5

Pulse Dose Portable Concentrators
$0.00

The Inogen® G5 Portable Oxygen Concentrator is designed to support an active, comfortable lifestyle with ease. Offering six adjustable flow settings and delivering up to 1,260mL of oxygen per minute, it adapts seamlessly to your daily routine—whether you’re relaxing at home, heading outdoors, or traveling. Its lightweight, quiet operation and user-friendly design help ensure your oxygen therapy fits naturally into your life, so you can stay focused on what matters most without limitations.

1-6 LPM

Inclusions: Carry Bag, AC/DC Chargers, Extended Battery

Add to wishlist
Read more
Quick view
Sold out
Compare

REFURBISHED Rove 6 System

Pulse Dose Portable Concentrators
$0.00

The Inogen® Rove 6/G5 Portable Oxygen Concentrator is designed to support an active, comfortable lifestyle with ease. Offering six adjustable flow settings and delivering up to 1,260
mL of oxygen per minute, it adapts seamlessly to your daily routine—whether you’re relaxing at home, heading outdoors, or traveling. Its lightweight, quiet operation and user-friendly design help ensure your oxygen therapy fits naturally into your life, so you can stay focused on what matters most without limitations.

G5: 1-5 LPM
Rove 6: 1-6 LPM

Inclusions: Carry Bag, AC/DC Chargers, Extended Battery

Add to wishlist
Read more
Quick view

At Oxy Mobility, founded by Donna Health Care LLC, we provides a continuous source of oxygen concentrator for patients who require long-term oxygen therapy.

  • USEFUL LINKS
    • Refund & Return
    • Warranty Policy
    • Privacy Policy
    • Financing
    • Contact Us
    • FAQ
  • OUR STORES
    • Electric Wheelchair
    • Portable Oxygen Concentrator
    • Continuous Flow
    • Home Oxygen Concentrator
    • 5L Concentrator
    • 10L Concentrator

CONTACT US

  • (310) 856-5219
  • sales@oxymobility.com
  • 1746 Defoor Ave NW Atlanta, GA 30318

Payment System:

Our Social Links:

© 2026 Oxy Mobility. All rights reserved

  • Menu
  • Categories
  • Pulse Dose Portable Concentrators
  • Batteries
  • 5 Liter Home Concentrators
  • 10 Liter Home Concentrators
  • Home Oxygen Concentrators
  • Continuous Flow Portable Concentrators
  • Home
  • Shop
  • About us
  • Financing
  • Warranty
  • Contact us
  • FAQ
  • Wishlist
  • Compare
  • Login / Register
Shopping cart
Close
Sign in
Close

Lost your password?

No account yet?

Create an Account
Shop
Wishlist
0 items Cart
My account