Inogen Output Filter Kit For Inogen One G4 Portable Oxygen Concentrator,Output Filter Kit,Each,RP-404Price: USD20.95 Inogen Output Filter Kit For Inogen One G4 Portable Oxygen Concentrator is compatible with Inogen One G4 Portable Oxygen Concentrator. It is intended to protect the user from inhalation of small particles in the product gas flow. This filter is conveniently located behind the removable cannula nozzle fitting and should be inspected and replaced on an annual basis. Easy to insert and remove. The spanner wrench is used to remove output filter from Inogen one G4 Concentrator.Other products from H e a l t h P r o d u c t s F o r Y o u |