Inogen One® G4® Portable Oxygen Concentrator, Standard Battery G4 Portable Upgrade Bundles (Add-On):PLATINUM Bundle [+$389.00] and Inogen One G5

and Inogen One G5

They protect the inner workings of your device from dust and large particles

Standard flow vs

and leaves no sticky residue when removed

Easily Adjustable Straps

Inogen One® G4® Portable Oxygen Concentrator, Standard Battery G4 Portable Upgrade Bundles (Add-On):PLATINUM Bundle [+$389.00] and Inogen One G5The Inogen One G4 has been discontinued Inogen stopped manufacturing the G4 in late 2023. New machines are no longer available. We recommend the Inogen Rove 4 as the current replacement model it offers significant improvements in battery life and oxygen delivery. The Inogen One G4 was a revolutionary machine in its time, known for its light weight. Main Clinic Supply is dedicated to providing you with the most current, reliable oxygen therapy options