An oxygen concentrator isn’t a similar detail as an oxygen tank, which delivers liquid or gas oxygen. In its place, the concentrator is a machine that pulls in the air all-around you and filters out the nitrogen. All prices are in nearby exchange time. Actual-time final sale data for U.S. 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/