Inogen One G4 Particle Filter

This Replacement Inogen One G4 Portable oxygen Concentrator Particle Filter is washable and reusable. In order to keep your concentrator working properly, this filter should be washed weekly (or whenever the filter is dirty). Allow the filter to dry completely before reinserting in the concentrator. Inogen recommends replacing the filter when the screen is damaged or is mis-shapen.* One Filter per pack


It is recommended to never let your concentrator run without a filter installed. **