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Inogen G4

Inogen G4


Inogen G4 is one of the smallest, lightest and quietest portable oxygen concentrators available today.

As one of the lightest portable oxygen concentrators on the market, the Inogen One G4 provides your patients with the mobility they need to maintain their current lifestyle. Weighing in at less than three pounds, this POC is designed to provide your oxygen patients with limitless freedom to go about their daily activities.


Flow: Pulse-only, 1-3 LPM
Weight: 2.8 lbs. with single battery, 3.3 lbs. with double battery
Dimensions: 7" tall, 6" wide, 2.5" long
Oxygen Purity: 87-96%
Battery Life: Single battery up to 2.7 hours, double battery up to 5 hours
Recharge Time: 3 hours for single battery, 6 hours for double battery
Warm-up Time: 2 minutes
Power: 8-cell double battery cartridge, AC wall charger, DC car charger
Sound Level: 40 decibels
Standard Warranty: 3 years for concentrator, 1 year for battery and power supplies