The higher the outlet stress, the longer the distance the oxygen compressor can sufficiently thrust oxygen towards the client. Ranking to start with for oxygen outlet strain could be the Zen-O at 25 psi. The iGo is second at 15 psi. Measurement and weight are considerable because of the need 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/