Inogen One® G4® Replacement Column Pair zinger rec These HME units are compatible

These HME units are compatible with the Transcend Micro CPAP adapter piece

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Inogen One® G4® Replacement Column Pair zinger rec These HME units are compatibleThe removable columns for your Inogen One G4 machine contain sieve filters that remove inert gases from the room air around you and help concentrate it into medical grade oxygen. As a general rule of thumb, it is recommended that the columns be replaced every 12 to 18 months to ensure that your machine is producing the correct concentration of oxygen. *Please note: It is possible that your Inogen One G4 machine may require you to replace its columns