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Portable Oxygen Concentrator Features Comparison


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.


Airsep Freestyle Portable Oxygen Concentrator


Activox Pro Portable Oxygen Concentrator

Airsep Freestyle 5 Portable Oxygen Concentrator


Respironics SimplyGo Portable Oxygen Concentrator


 Airsep Focus Portable Oxygen Concentrator

Size (HxWxD):

8.6"H x 6.1"W x 3.6"D

 9.05"L  x 7.875"W  x 4.38"D 10.7"H x 6.6"W x 4.4"D 11.5"L x 10"W x 6"D 6.4”H x 4.8"W x 2.5"D

Overall Weight:

4.4 lb; With opitional AirBelt: 6.2 lbs

4.3 lbs   6.2 lbs; with optional AirBelt: 8 lbs 10 lbs with battery, 8.5 lbs without 4.61 lbs with 2 batteries and Airbelt, 1.75 lbs without

Battery Life:

Up to 3.5 hours

Up to 12.5 hours Up to 7 hours Up to 14 hours Up to 7 hours

FAA Approved:


Yes  Yes Yes Yes

Oxygen Delivery:

Pulse Only

1 - 3 LPM

Pluse Only

1 - 3 LPM

Pulse Only

1 - 5 LPM

Pulse 1 - 6 LPM / Continuous Flow .5 - 2 LPM 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, 1 Battery, 2 Airbelts, Shoulder Strap

Carry case with handle, Accessory bag, Shoulders straps, AC & DC Adapters, 7' cannula, External battery, External battery crate, Replacement air filter, Maintenance tool, Tool holder

Carry case with strap, two (2) Airbelts w/adapters, AC/DC adapters Cart, Carry Bag, AC/DC Power Cords, 3 Batteries, Accessory Case Carry Bag, AC/DC Adapters, 2 Batteries


3 Years

3 Years

3 Years

2 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!

Portable Oxygen Concentrators

( View All Oxygen Therapy Products)