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Best Portable Oxygen Concentrators 2020

Best Portable Oxygen Concentrators 2020

2 A portable oxygen concentrator is an easy way to increase oxygen saturation in the blood. Portable oxygen concentrators work by drawing in air compressing it and using a sieve bed to filter out nitrogen leaving behind 95 pure oxygen which can then be inhaled via a mask or nasal cannula. What to Look For When Buying a Portable Oxygen

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