Inogen G4 Portable Our Smallest, Lightest Unit...The next innovation to portable oxygen delivery: the Inogen One G4, capable of full 24/7 oxygen delivery in an unbelievably small package! It is one of the smallest, lightest and quietest units available today. It will NOT slow you down! PRODUCT DETAILS Unit weight: [...]

Inogen At-Home Unit For a more relaxed setting... This lightweight home oxygen concentrator is easy to bring with you from room to room, so you are not left tethered to a heavy tank and feeling stuck. You can also get the oxygen you need without the overwhelming noise of other delivery systems. [...]