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Easy-to-Use Oxygen
Humidification Type: Integrated
Features You Can Feel Good About
90 Days on Battery
These sieve beds wear down after prolonged use
Inogen One G4 Replacement Columns Pair (Sieve Bed) Inogen Easy-to-Use OxygenThe Inogen One G4 Column Set are replacement sieve beds for the Inogen G4 mobile concentrator. The G4 Replacement Columns contain sieve beds that convert air with low oxygen levels into medical grade oxygen. It is recommended that the G4 Columns be replaced every 12 to 18 months to maximize the life of the unit. Two columns are included with each order. Simple to follow instructions enable you to easily switch out the column pair without tools and