CPAPXchange occasionally offers coupons via discount codes. Discount codes cannot be combined and there is a limit of one per order. Unless otherwise stated discount codes expire one week after initial publication. We offer support through our website, live chat, toll free phone, and email. Please contact us if you have any questions about our services or the products we sell. CPAPXchange is authorized and approved, by the manufacturers we represent, to sell and ship products to end-users residing in the United States, not to other third parties or businesses. Selected product images, specifications and descriptions are used with the permission of the copyright holders. The information on this website is not intended to replace the advice of a physician or medical professional. If you have questions about your health or are worried about specific symptoms, please consult your doctor. No duplication of materials on this website is authorized without the express written permission of CPAPXchange LLC. By visiting our site you agree to be bound by our Terms of Service. Copyright 2004-2026 CPAPXchange LLC.
Skip to product information
To add to cart, go to the product page and select a purchase option
Inogen One® G4®, G5® Output Filter Kit
This is the replacement Output Filter kit for Inogen One G5 Portable Oxygen Concentrators. The output filter is deisgned to protect the user from inhaling small particles during oxygen therapy, ensuring particle free oxygen from the G5.
The InogenOne G4 Output filter helps protect the user from inhalation of small particles in the system's airflow, assuring particle free oxygen from the G4. 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.
Subscribe & Save 15%
Orders Over $49 Ship Free!
Earn 34 Loyalty Reward Points
| GENERAL SPECIFICATIONS | |
|---|---|
| Manufacturer | Inogen® |
| Part Numbers | RP-404 |
| HCPCS Codes | E1399 |