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Airsep FreeStyle 3 Portable Oxygen Concentrator


Product Description

Airsep FreeStyle Portable Oxygen Concentrator

Pulse only Settings 1-3 | 4.4 Pounds | Ultra-Sense | FAA Approved

Who can use the FreeStyle portable oxygen concentrator? Users who require a Pulse Only device of 1,2, or 3 LPM equivalent of supplemental oxygen.

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AirSep's FreeStyle 3


AirSep's FreeStyle 3 provides active oxygen users with the oxygen they need in an efficient, ultra-portable package. The diminutive FreeStyle 3 comes with a convenient carry case so it can be worn over the shoulder like a purse or camera bag; and at just 4.4 pounds with an internal battery it is lightweight and durable too. Each FreeStyle 3 Bundle includes Universal AC & DC Power Cords so it's easy to recharge at home, on the road, or around the world!

Included In FreeStyle Portable Oxygen Concentrator:

  • FreeStyle Portable Oxygen Concentrator Machine
  • (1) Internal Battery = 2.5 Hours On Setting 2 (2LPM)
  • AC Wall & DC Vehicle Power Supply
  • Focus Carrying Case with Shoulder Strap
  • Carry-All-Bag for Accessories
  • Oxygen Tubing
  • 3 Year Warranty


It has a Max Pulse Setting of 3 and has a Max 02 of 332 per minute. The FreeStyle compares to the smallest concentrators available out today and offers a limitless supply of O2 for a satisfying travel experience with oxygen. It's oxygen freedom!

It has a flip open easy to read clear LED Control Panel that has flow setting buttons (1-3) and a battery test button, which is used to check the life of the battery. It has large soft buttons with the settings (1-3) easily displayed on it.

Just touch the flow you need and you are ready to go, no need for a on and off switch. There is a battery button that displays the internal battery in increments of 25%.

The Freestyle features an internal battery that has durations of up to 2.5 hours on a setting of 2. There is an optional battery belt that can be used in combination with the internal battery that can provide an additional 6 hours on a setting of 2. The FreeStyle with the AirBelt combines function and fashion to make it the advanced travel oxygen solution. You will travel easily between power sources and will no longer need to worry about your oxygen running out. The AC/DC power supply makes operating the unit and recharging the battery simple and trouble-free.

It can be worn over your shoulder with a carrying bag or with an optional harness to be converted into a backpack. With the FreeStyle you can do any activity including a sporting event, an education class, bingo night or a concert of your favorite band or musician.

The AirSep Freestyle Starter Package includes the Freestyle unit, internal battery, universal power supply, DC and AC cord, shoulder strap, cannula and user manual. It features a 3 Year Warranty on the unit and 1 Year Warranty on batteries and accessories.

The FreeStyle Portable Concentrator and the AirSep Airbelt are made in the USA.



Size (Approx) 8.6 x 6.1 x 3.6 Inches
Weight (Approx) 4.4 Lbs with Internal Battery


Pulse Dose Flow Settings 1 to 3 (Up to 480 ML/Min)
Oxygen Volume Per Pulse
(Average Bolus Size)
Not Specified
Oxygen Concentration 90% (+5.5 / -3%)
Sound Levels 41 dBa
Operating Altitude Up to 12,000 Feet
Tubing & Cannula Length Up to 25 Feet (Maximum)
Humidification Not Applicable
Filters External: Reusable Particle Filter
Alarms Start-up, Pulse Flow, Battery Condition or Level, Cannula Disconnect, System Overdraw


AC (Wall) Power 100–240 VAC, 50/60 Hz
Power Consumption Not Specified
DC (Mobile) Power Included in Package
Battery Power Internal Battery Included. External AirBelt Battery Also Included Depending on Bundle Selection


Battery Type Rechargeable Lithium Ion
Battery Weight Internal Battery = 0.0 Lbs
AirBelt Battery = 1.8 Lbs (Approx)
Battery Run Time (Avg)
  • 1 Setting = 3.5 hours
  • 2 Setting = 2.5 hours
  • 3 Setting = 2 Hours
Recharge Time 3.5 Hours (Typical Per Battery)
Battery Life 300 Cycles (Average)

Product Videos

Portable Oxygen Freestyle 3 (01:03)
  • Portable Oxygen Freestyle 3

Warranty Information

Warranty Three-year Warranty on the unit and One-year Warranty on battery and accessories

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Product Reviews

Write your own product review

  1. Best little O2 concentrator

    Posted by Kevin Littman on Apr 15th 2016

    I shopped around for a long time before settling on the Freestyle 3 concentrator. I called this company and Christine, answered all my questions, i learned alot about the various machines available, she had answers for all my questions! I never purchase on the first call but with Christine, she had my order and sold me then and there! If you call ask for her; she has a wealth of knowledge. ( I think I got a great deal too!)

    I'm glad I did. the Freestyle is ideal for my needs -- I'm on oxygen during the day but not too high and not at night yet. This gives me just what I need without a lot of extra weight.