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Oxygen concentrators take in air from the patients’ local environment. This ambient air can contain millions of particles, some of which will be sub-micron. Particles of this size are able to enter and clog the working components of the device, or enter the lungs of the patient. Our range of filters and pre-filters helps to protect both the Oxygen Concentrator and the patient from particulate matter and the risk of infection, whilst also functioning as a noise dampener to reduce the sound emitted from the machine.


Invacare is a registered trademark of Invacare International Corporation. Platinum and Homefil are registered trademarks of Invacare International Corporation.
Respironics is a registered trademark of Respironics, Inc. EverFlo is a trademark of Respironics, Inc.
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© Intersurgical Ltd, 2026
Kistagången 20B, 16440 Kista, Sweden
08-514 306 00