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AirSep FreeStyle 3 Portable Oxygen Concentrator

By Chart Industries
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    Availability: In stock

  • medium pulse output
  • small and lightweight 4.4 lbs
  • short battery life, 2.5 hours
  • universal power supply
  • 24/7 operation
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Item# Description Size Price

FreeStyle 3




What Comes in the Box?

FreeStyle 3 Oxygen Concentrator Components

What Comes In The Box?

  • FreeStyle 3 Concentrator
  • Internal Rechargeable Lithium Ion Battery
  • Shoulder Strap
  • Accessory Bag
  • Carry Case
  • Universal Power Supply
  • AC Power Cord
  • DC Power Cord

At only 4.4 pounds, the made-in-America AirSep FreeStyle 3 portable oxygen concentrator provides wearable, pulse flow oxygen therapy. Carried via shoulder strap or in a backpack, FreeStyle 3 is a medical-grade concentrator that produces up to 90% oxygen in flow settings 1-3 (-3%/ + 5.5%). FreeStyle 3 provides up to 3.5 hours of battery-powered excursions (depending on flow setting) -- available accessories can extend this up to 10 hours!

Why Choosing Vitality Medical is a Great Option

Certified Oxygen Concentrator Specialist Seal Caire Reseller

Choose the helpful oxygen specialists at Vitality Medical as your oxygen supplier. We offer several programs to help you along the way.

  1. Rental Program- Need a short-term solution for your oxygen needs? Do you want to try the freestyle before you buy one? Contact us today.
  2. Buy Back Program- If you are upgrading from an old concentrator, we may be able to purchase your old one. Contact us for details.
  3. Loaner Program - Warranties are easy. Just give us a call and we'll send you a machine to borrow while yours is being repaired.
  4. Certified Oxygen Specialists - Let the oxygen specialists at Vitality Medical help you find the accessories and battery configuration that best suits your needs.

At Vitality Medical, we strive to bring you high quality, affordable portable oxygen concentrators. We care about your health, wellness and vitality. That is why we offer several programs to make purchasing a concentrator easier.

Call and talk to a specialist today for the best deals on the internet.

The Freestyle 3 is designed for the patient that needs three liters per minute of highly portable oxygen. The small size of this oxygen machine will enhance your freedom of mobility and the discounted price will save you money. If you are looking for a short-term option, or if you are not certain that this is the machine for you, try it out with our rental program. When you decide that you love the freestyle 3, just contact your oxygen specialist and you can keep it. You just pay the difference!

Choose from additional Accessories for the Freestyle 3 here. Talk to one of our specialists today!

Perfectly Portable:

AirSep FreeStyle 3 Wearable Portable Oxygen Concentrator
freestyle 3

Unlike other portable oxygen concentrators, the lightweight FreeStyle 3 does not require a cart to go where you go. This oxygen therapy device comes with a standard carry bag that features side pockets for battery or accessory storage, a zipper cover for protection and a comfortable carry handle. The compact, FAA-approved FreeStyle 3 (just 6.1 inches wide, 8.6 inches high and 3.6 inches deep) readily slides under an airline seat and tidily fits in a vehicle.

FreeStyle 3 runs in any flow setting off of AC (home) and DC (automobile or boat) sources, as well as internal lithium ion battery. When the portable oxygen concentrator is plugged into an AC or DC source, the internal battery conveniently charges -- the FreeStyle 3 is ready whenever you are.

Good Sense:

FreeStyle 3 packs exclusive UltraSense technology that minimizes the effort needed to trigger a pulse dosage. UltraSense also enables users to set the FreeStyle 3 down and roam freely if a 25-foot cannula is used. To make the most of this mobility, the Freestyle 3 has a flexible, swivel oxygen outlet.

Power Forward:

FreeStyle 3's standard internal battery provides 3.5 hours of operation in flow setting one, 2 hours in flow setting three and will fully recharge in approximately 3 hours. Smartly designed accessories support active lifestyles, including an optional external power cartridge for an additional five hours of operation at flow setting three and up to 10 hours on setting one. A unique air belt is also offered, so users can wear an additional external battery for up to 3.5 additional hours of power for outdoor excursions and activities.

AirSep FreeStyle 3 Portable Oxygen Concentrator Features & Benefits:

  • Lightweight -- Concentrator weighs 4.4 pounds, the battery weighs .53 pounds; less than five pounds combined.
  • Highly portable -- Wearable oxygen concentrator with adjustable shoulder strap.
  • Easy to power -- A universal power supply is standard; the unit can be powered via AC or DC source while simultaneously charging the battery.
  • Simple operation -- Panel features soft-touch buttons that are enhanced with Braille to indicate pulse settings.
  • Informative -- A highly legible, top-of-unit panel features a battery charge indicator and a battery test button for internal battery charge testing.
  • FreeStyle 3 is FAA-approved for airline flights.

AirSep FreeStyle 3 Portable Oxygen Concentrator Additional Information:

AirSep FreeStyle 3 Portable Oxygen Concentrator Bundle
freestyle portable oxygen


  • FreeStyle 3 portable oxygen concentrator
  • Adjustable shoulder strap
  • Accessory bag
  • Internal lithium battery
  • Concentrator carry case
  • Universal power supply
  • AC power cord
  • DC power cord


  • Product Number: FreeStyle 3
  • Width: 6.1 inches
  • Height: 8.6 inches
  • Depth: 3.6 inches
  • Weight: 4.4 pounds (concentrator)
  • Weight: 0.53 pounds (internal battery)
  • Weight: 1.3 pounds for the optional External Battery with built-in belt clip BT024-1 provides 5-10 hours of power with 5 hours of recharge time or less.
  • 1.8 pounds for optional AirBelt BT017-1 provides 3-6.5 hours power with 3.5 hours recharge time.
  • Noise: 41 dBA at setting 2
  • Oxygen Output Capacity:
  • Oxygen Concentration: 90% +5.5% -3% sea level
  • Oxygen Dose: Pulse
  • Power Consumption: 28W
  • Power: Universal Power Supply, 100-240VAC, 50/60 Hz, 11-16 VDC
  • Battery: Rechargeable, lithium battery
  • Battery Charge Duration: 2.5 hours at setting 2
  • Battery Recharge Time: 3.5 hours
  • Operating Altitude: 0 to 12,000 feet above sea level
  • FAA Approval: Yes
  • Warm-up Time: 2 minutes
  • Made in the USA
  • Certification: ISO 9001:2008 and ISO 13485:2003
  • Manufacturer: AirSep
  • Brand: FreeStyle 3
  • Concentrator Warranty: 3 years limited, internal battery 1 year

Additional FreeStyle 3 Oxygen Concentrator Information:

Unboxing the FreeStyle 3 Video (5:05 minutes)

Testing & Alarms for FreeStyle 3 Video (5:56 minutes)

Universal Power Supply for Freestyle 3 Video (4:44 minutes)

Complete Freestyle 3 Video (18:46 minutes)

For compliance with current FDA regulations, we require a prescription for select portable oxygen concentrators, home stationary concentrators and pulse oximeters. Prescriptions are not required for replacement parts and accessories. If a prescription is required for an item in your order, we will inform you of the requirement and ask how the prescription will be provided.

Prescriptions may be sent via:

Fax: 1-801-733-5797

Email: [email protected]

Mail: 7910 s 3500 E Suite C, SLC, UT 84121

If you are unable to obtain a copy of your prescription, we are happy to contact your doctor and request the prescription on your behalf.

Additional Information

Additional Information

Manufacturer Chart Industries
Sub Brand AirSep
Ships Free Yes
Oxygen Flow Pulse Flow
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3 Item(s)

Nice, light, quiet machine
very happy with this machine. pulse dose comparable to stationary visionary 5 constant flow in terms of SpO2 . battery life as advertised; manageable with use of car charger on local trips and AC charger. Pulse dose sensor seems to be well suited to my wife's shallow breathing pattern than one other portable I tested. Only complaints are the hard-to-open catch on the plastic door over the control panel and the shoulder strap which has awkward attachment to the carry case and weak attachment to the padded portion.
A very useful machine
I am really thankful of this machine.. It has helped my mom in a great way! She is now more capable of walking and performing some activities which was hard for her earlier. It's grateful to have this machine with us.
Oxygen Concentrator with Braille Controls
I wanted a control system that my nearly blind wife could work with. This was the right solution. She can now control her oxygen without my help.

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