Hi Carolyn, Considering that the oxygen concentrator is simply circulating the air from the House you’re in and concentrating it, I simply cannot guarantee it’s Harmless to use your portable concentrator outdoors your house. Want to normally have the most up-to-date HME news while in the sector suitable inside your 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/