Inogen Oxygen Concentrator Review – Forbes Health - Forbes
Unlike traditional compressed gas cylinders (tanks filled with oxygen), oxygen concentrators provide a safe source of oxygen-enriched air using room air, which is a mixture of 21% oxygen and 78% nitrogen. An oxygen concentrator draws room air into a cylinder that filters dust, bacteria and other air particles and absorbs nitrogen, which results in concentrated oxygen (90% or higher). There are two types of oxygen concentrators: portable and stationary. Portable models typically use pulse mode delivery in which oxygen is delivered when the user begins to take a breath. Meanwhile, stationary models feature a continuous flow of oxygen. Inogen currently offers three portable oxygen concentrator products—the Inogen One G3, G4 and G5—and one stationary model called Inogen at Home. Below is a summary of their key features. Customization Options and Special Features Splurge on the double battery for the Inogen One models if you want more flexibility with your time away from home. A d...