Size Guide :
Click the button above to view the size chart
Description
xThe Inogen output filter prevents micro-particles from being inhaled by the oxygen user — it sits on the oxygen output path behind the cannula nozzle and must always be in place while using your Inogen. This 10-pack gives you a year-plus supply of replacements.
What's an output filter?
Output filters are a different filter class from particle filters or sieve columns:
- Particle filters protect the concentrator from room-air debris (on the INTAKE side)
- Sieve columns do the oxygen separation inside the unit
- Output filters sit on the OUTPUT side — the safety filter between the concentrator's internals and your cannula, preventing micro-particles from reaching your lungs
Compatibility — select your concentrator
Use the dropdown above to select the variant that fits your Inogen:
- RP-101 (10-pack) — fits Inogen At Home, G2, G3
- RP-410 (10-pack) — fits Inogen G4, G5
When to replace
Replace the output filter annually. The output filter must always be in place while you use your Inogen — never operate the concentrator without one.
You need the Output Filter wrench to install these
The output filter sits behind the removable cannula nozzle and requires a special wrench to access. If you don't already have one, we strongly recommend adding the Inogen Output Filter Kit to your order — it includes the wrench plus 2 starter filters. Look for "Inogen Output Filter Kit."
What's in this pack?
10 Inogen output filters — roughly a 10-year supply at the annual replacement schedule. Variant determines which Inogen models the filters fit (see Compatibility above).
Not sure which variant to choose?
Call 1-800-775-0942 with your Inogen model — we'll confirm whether you need the RP-101 or RP-410 pack.
About Main Clinic Supply
We're based in Rochester, Minnesota — home of the world-famous Mayo Clinic. We deliver free to all Mayo Clinic hospitals and local hotels. With FedEx's strong presence in Rochester, our family-owned business is able to ship late into the evening.
Inspired by Mayo Clinic's values, we prioritize helping people over making profits — embodying Dr. Mayo's 1910 mission statement: "The needs of the patient come first."
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