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The Inogen One G4 (G5) Output Filter helps protect the user from inhalation of small particles in the system's airflow, assuring particle-free oxygen.
An output filter must always be in place during operation of your InogenOne G4 POC.
USAGE: The Inogen One G4's output filter is located behind the concentrators removable cannula nozzle fitting. For best results, the filter should be replaced on an annual basis. For complete instructions review the documentation that came with your equipment.
