So what may be the difference between the next supplemental oxygen methods? All supply oxygen on to you thru nasal cannula or oxygen masks, However they differ largely in how oxygen is furnished. In addition, it gave them comfort to go away home or go with regards to their dwelling.^ 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/