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Inogen One G4 Column Pair Description:
The 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
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