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Portable Oxygen Concentrator Features Comparison

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Learn more about portable oxygen generators

Portable oxygen concentrators offer users an incredible amount of freedom that is often unavailable to those on oxygen therapy. However, that convenience also carries a price, so a portable oxygen machine can be expensive depending upon the features you are looking for. It is important to consider your options carefully when before making a purchase to ensure that you find the right device for you.

Check out our article "How to Choose the Right Portable Oxygen Concentrator" to learn more about choosing the best portable oxygen concentrator to fit your needs.

Do I need a doctor’s prescription to receive oxygen therapy?

Oxygen concentrators are regulated by the Food and Drug Administration (FDA) and a prescription from a physician must be issued to receive oxygen therapy. Your physician will order a blood test to determine what your oxygen level is. The prescription will indicate the flow rate of how much oxygen you need per minute (liters per minute or LPM) and when you need to use oxygen. You or your doctor can fax your prescription to our customer service department to help expedite the process.


Invacare XPO2 Portable Oxygen Concentrator

Respironics SimplyGo

Respironics SimplyGo Portable Oxygen Concentrator

Airsep Focus

Airsep Focus Portable Oxygen Concentrator

Invacare Solo

Invacare SOLO2 Portable Oxygen Concentrator

Lifechoice Activox

Lifechoice Activox Portable Oxygen Concentrator

Size (HxWxD):

10" x 7" x 4"

11.5" x 10" x 6"

6.4” x 4.8" x 2.5"

16.5" x 11" x 8"

9.05” x 7.875” x 4.38”

Overall Weight:

8.6 lbs with 2 batteries, 6 lbs without

10 lbs with battery, 8.5 lbs without

4.61 lbs with 2 batteries and Airbelt, 1.75 lbs without

19.9 lbs with 1 battery

17 lbs without

5.98 lbs with battery

4.83 lbs without

Battery Life:

Up to 5 hours

Up to 14 hours

Up to 7 hours

Up to 4.5 hours

Up to 15.5 hours

FAA Approved:






Oxygen Delivery:

Pulse Only

Pulse/Continuous Flow

Pulse Only

Pulse/Continuous Flow

Pulse Only

Max Operating Altitude*:

10,000 feet

10,000 feet

10,000 feet

10,000 feet

10,000 feet

Included Accessories:

Carry Bag, AC/DC Power Cords, 2 Batteries

Cart, Carry Bag, AC/DC Power Cords, 3 Batteries, Accessory Case

Carry Bag, AC/DC Adapters, 2 Batteries

Cart, AC/DC Power Cords, 1 Battery

Carry Bag, AC/DC Power Cords, Accessory Bag, 7’ Nasal Canula


3 Years

2 Years

3 Years

3 Years

3 Years


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Note: Airplanes travelling at 30,000 feet and above are typically pressurized to simulate a height of 8,000 feet. Portable Oxygen Concentrators that are not designed to function at 8,000 feet or above are not suitable for air travel.

Check out a great selection of Oxygen Therapy Products, such as portable oxygen concentrators, CPAP machines, and pulse oximeters by visiting our Oxygen Therapy Department!

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