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Inogen One G4 Replacement Columns
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Inogen One G4 Replacement Columns is replacement sieve beds for the Inogen G4 oxygen concentrator. They are easy to replace and the replacement process can be completed in minutes. They should be replaced in every 12 to 18 months to maximize the life of the G4 unit. The LCD screen will display "O2 Service Soon" for a low oxygen purity alert and when the columns need to be changed. To remove the columns, simply press the latch release button located at the bottom of the unit then slide the columns (metal tubes) out of the unit.
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