Lightweight and Quiet
The Inogen One G5 offers the most oxygen per pound for a portable oxygen concentrator on the market today.
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Inogen One G4 is a lightweight portable oxygen concentrator made by one of the top manufacturers. The combined weight of the carry bag, the Inogen One G4 concentrator and battery is less than 4 pounds, making the Inogen G4 less cumbersome to carry along.
**RX (Required)
