Frequently asked questions

Returns and refunds

How long do I have to return the goods?

  • You have a 30-day return period from the date you receive the goods.
  • Conditions: Goods must be in their original condition, unused and in their original packaging.
  • Procedure: If you wish to request a refund, please contact us within the specified timeframe.

How long does it take until I get my refund?

Returns are processed within 7 days of receiving the products.

Warranty services

Do VARON-Hub devices have a warranty?

Yes, we offer a 1-year warranty. For more information, please see our warranty terms and conditions.

About products

What should you pay attention to when using an oxygen concentrator?

  • Do not use the oxygen generator near open flames or while smoking.
  • Pay attention to your oxygen concentration and check your device regularly to ensure there are no alarms and that you are receiving enough oxygen.
  • Too low an oxygen concentration negatively affects inhalation and the life of the device.
  • If you use an oxygen concentrator due to chronic health problems, monitor changes in your blood oxygen levels regularly.

What is the difference between continuous flow and pulsed flow?

  • Pulse Flow : Automatically detects your breathing and releases oxygen as you inhale, while it stops as you exhale.

  • Continuous Flow : Releases oxygen to your lungs whether you inhale or exhale.

  • Pulse flow mode is mainly used in portable devices to extend their usage time.
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