Planning To Buy An Oxygen Concentrator For Home? Here’s How To Pick The Right One An oxygen concentrator separates oxygen from room air. It provides a high concentration of oxygen directly to you through a nasal cannula. Oxygen concentrators produce up to 95 per cent pure oxygen. Outlook Web Bureau 2021-05-06T07:29:13+05:30 Planning To Buy An Oxygen Concentrator For Home? Here’s How To Pick The Right One outlookindia.com 2021-05-06T07:32:17+05:30 Also read India is currently battling the second wave of Covid-19 and there’s an increase in the demand for oxygen concentrator – a small device supplying supplementary oxygen-enriched air to people requiring oxygen therapy.