Think of an oxygen concentrator as a window air conditioner — it's going to take air in, variations it, and provides it in a very different kind. The oxygen concentrator will take air in and purifies it to be used by people who have to have clinical oxygen because of https://allhealthmarket.com/product/medical-supplies/portable-oxygen-concentrator-generator/oxygen-concentrator-machine-camping-use-oxygenator-driving-oxygen-bar-with-24-hours-battery-lasting-oxygen/