Airsep Freestyle 3

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Airsep Freestyle 3

Airsep Freestyle 3 is a 2.00 kg pulse flow portable oxygen concentrator for home use which provides oxygen flow up to 3 pulse settings which is approximately equivalent to 2.5 Litres Per Minute of continuous oxygen flow. The Freestyle is the quietest and lightest portable concentrator that goes up to a setting of 3.


1. How do I maintain my oxygen concentrator?

No routine maintenance is necessary. The surface of an oxygen concentrator can be cleaned according to the cleaning instructions in the user’s manual.

Yes. With freestyle 3 , travelling with your oxygen is easy. It is approved by the FAA for use aboard all commercial domestic aircraft.

Battery Cycle Life: Around 300 charges, then only 80% capacity or less

Yes, AirSep Freestyle 3 is FAA approved.

Product Type Portable
Brand AirSep
Model Name Freestyle 3
Flow 1-3 settings
Weight 2 kg
Battery backup
(at 2 pulse setting)
2.50 hours
Recharge time 4 hours
Manufacturer Airsep
Dimensions 6.1 inches Wide x 3.6 inches Deep x 8.6 inches High
Product Weight 4.4 pounds (unit only)
FAA Approved yes
Warranty Three-year Warranty on the unit and One-year Warranty on battery and accessories
Alarms / Alerts Cannula disconnect, Start-up, Pulse flow, Breath rate, Battery charge state, Low battery, High temperature, General malfunction, High and low pressure
Battery Charging Time 3.5 hours
Battery Duration 2 Hours – 3 Setting
2.5 Hours – 2 Setting
3.5 Hours – 1 Setting
Maximum Oxygen Output 498 ml/min
Noise Level 38 – 44 decibels depending on setting
Oxygen Concentration 90% oxygen +5.5% -3%
Power Universal Power Supply
AC Power: 100-240 VAC, 50/60 Hz; 11-16 VDC
DC Power: 11 – 16 VDC, 6.0 amps at 12 VCD
Rechargeable, lithium battery
Operating Ranges, Intended for Use 41 – 104 Fahrenheit (5 – 40 Celsius)
Up – 10,000 feet (3048 m)
Storage Ranges, Intended for Storage -4 – 140 Fahrenheit (-20 – 60 Celsius)

7 reviews for Airsep Freestyle 3

  1. 4 out of 5

    Lakshmi Devi

    The Airsep Freestyle 3 is a decent product. It’s easy to use and portable. Good for travel purposes.

  2. 5 out of 5

    Prashant Kapoor

    Great product! It’s lightweight, reliable and the battery lasts longer than expected. Perfect for my needs!

  3. 4 out of 5

    Shruti Agarwal

    The device works well, but the instructions could have been clearer. Had to watch a tutorial online.

  4. 5 out of 5

    Karthik Iyer

    Impressive concentrator! It’s portable, efficient and the battery life is good. Highly recommend.

  5. 4 out of 5

    Nidhi Verma

    The Airsep Freestyle 3 works as advertised. A little on the expensive side, but it’s worth the money.

  6. 3 out of 5

    Suresh Khanna

    The device is okay. However, I had issues with the delivery. It arrived late and the packaging was damaged.

  7. 5 out of 5

    Shilpa Nair

    Excellent product! It’s easy to use and carry. It’s made a huge difference in my daily routine. Thank you Medikart!

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