Collection: INOGEN Portable Oxygen Concentrators
5 products-
Inogen One G5 Portable Oxygen ConcentratorInogen One G5 Portable Oxygen Concentrator
- Regular price
- from $1,995.00
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- from $1,995.00
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$2,995.00 - Unit price
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Inogen One G4 - Portable Oxygen ConcentratorInogen One G4 - Portable Oxygen Concentrator
- Regular price
- from $1,995.00
- Sale price
- from $1,995.00
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$2,995.00 - Unit price
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On Sale Out of Stock -
Inogen One G3 Portable Oxygen ConcentratorInogen One G3 Portable Oxygen Concentrator
- Regular price
- from $1,995.00
- Sale price
- from $1,995.00
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$2,995.00 - Unit price
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Ultimate Freedom Package - Inogen One G4 Portable Oxygen Concentrator + Inogen At Home Oxygen ConcentratorUltimate Freedom Package - Inogen One G4 Portable Oxygen Concentrator + Inogen At Home Oxygen Concentrator
- Regular price
- from $3,795.00
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- from $3,795.00
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$4,307.00 - Unit price
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Ultimate Freedom Package - Inogen One G5 Portable Oxygen Concentrator + Inogen At Home Oxygen ConcentratorUltimate Freedom Package - Inogen One G5 Portable Oxygen Concentrator + Inogen At Home Oxygen Concentrator
- Regular price
- from $3,995.00
- Sale price
- from $3,995.00
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$4,432.00 - Unit price
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On Sale Out of Stock
The Evolution of Inogen Portable Oxygen Concentrators
An oxygen concentrator is a medical device that filters nitrogen from ambient air and delivers purified, concentrated oxygen to respiratory patients. Portable oxygen concentrators like Inogen's are a critical innovation that empowers mobility and improves quality of life. For those with chronic lung conditions like COPD, pulmonary fibrosis, and lung cancer, having access to supplemental oxygen on-the-go provides freedom and independence.
Improving Quality of Life with Portable Oxygen
The evolution of Inogen portable oxygen concentrators has been life-changing for oxygen therapy patients over the past two decades.
The company name “Inogen” is derived from the words innovation, oxygen, and generation, reflecting their mission to create innovative oxygen solutions. Over the past 15+ years, Inogen has delivered on that goal by pioneering portable Inogen oxygen concentrators that allow users to maintain active lifestyles.
We'll explore the progression of their Inogen portable oxygen concentrator products from the Inogen One G1 to the latest Inogen One G5. Each new generation has built upon the last, advancing the technology with reduced size and weight, increased oxygen production, longer battery life, and intelligent delivery features.
Inogen One G1 - The Original Portable Oxygen Concentrator

Released in 2004, the Inogen One G1 was the first Inogen portable oxygen concentrator launched by the company. Weighing in at 7 pounds, this was the lightest portable oxygen device available at the time...
Inogen One G2 - Lighter and Longer Lasting
In 2007, Inogen released the upgraded G2 model. By optimizing the sieve bed design and utilizing lightweight metals, they reduced the weight to 5 pounds. This made the G2 the lightest portable oxygen concentrator on the market...
Inogen One G3 - Introducing Convenience Features
The G3 launched in 2010 with a focus on adding everyday convenience and quality-of-life features. The battery was upgraded to a lithium-ion power cell, boosting duration up to 4-5 hours on a setting of 3...
Inogen One G4 – Smaller and Smarter
Continuing the evolution, Inogen released the G4 in 2014. The weight was further reduced to only 2.8 pounds while maintaining the same oxygen output as larger models...
Inogen One G5 – Maximum Independence
In 2019, Inogen launched the eagerly anticipated G5 series. These concentrators provide the highest oxygen production yet from the company in the smallest, lightest packages...
Comparing Inogen Portable Oxygen Concentrators with Other Brands
When comparing Inogen Oxygen Concentrators with other brands, it's clear that Inogen prioritizes user needs and comfort. Their devices are designed to be lightweight, compact, and easy to use, making them suitable for individuals of all ages and lifestyles.
In addition to their user-friendly design, Inogen Oxygen Concentrators also offer advanced features that enhance the overall oxygen therapy experience. These features include intelligent delivery technology, which ensures that oxygen is delivered efficiently and effectively, and user-friendly interfaces for easy navigation and control.
Why Choose Inogen Oxygen Concentrators
Choosing Inogen Oxygen Concentrators means choosing quality and reliability. Inogen is a pioneer in the field of oxygen therapy and has a proven track record of providing top-notch products and excellent customer service. Their devices undergo rigorous testing and meet the highest safety standards, giving users peace of mind knowing they are using a trusted and reliable oxygen concentrator.
The Future of Inogen Portable Oxygen Concentrators
As Inogen continues innovating, the future looks bright for advancing portable oxygen concentrator technology even further...