The Inogen® G4 Portable Oxygen Concentrator is designed to move with you. Lightweight, quiet, and reliable, as it delivers pulse-dose oxygen with Inogen’s Intelligent Delivery Technology®. With up to 8 years expected service life and FAA approval for carriage and use for air travel, the G4 the mobility to go where life takes you.
This refurbished 2023 model includes a new manifold, motherboard, columns, upgraded to latest configuration, new housing, and UIP.
G4: 1-3 LPM
Hours of use: 1248
Warranty:
Concentrator Warranty: through 6/22/26
Sieve Beds: 1 year
The Inogen® G4 Portable Oxygen Concentrator is designed to move with you. Lightweight, quiet, and reliable, as it delivers pulse-dose oxygen with Inogen’s Intelligent Delivery Technology®. With up to 8 years expected service life and FAA approval for carriage and use for air travel, the G4 has the mobility to go where life takes you.
Net Weight: 3.5 lbs with extended battery attached
Oxygen Flow: Intelligent Delivery Technology®
1-4 pulse dose flow settings
Compatibility: Inogen® Connect Bluetooth Mobile App
Power Settings: AC Power Supply 100-240V, 50-60Hz
(auto sensing to allow worldwide use)
DC Power: For mobile use in car/airplane
Noise Level: 39 dBA @ setting 2