Description
Quick answer: This is the genuine ResMed complete anti-asphyxia valve (elbow) assembly (part 16613) for the Ultra Mirage Full Face mask — the whole valve unit that provides the mask’s safety valve and its tubing connection. It includes the elbow retainer, valve frame, valve membrane, valve elbow, swivel clip, and swivel — everything needed to replace the anti-asphyxia valve as a full assembly. The anti-asphyxia valve (AAV) admits room air if airflow stops, so you don’t rebreathe CO₂ inside a full face mask. Also fits the Mirage Series 2 and Mirage Full Face masks. No prescription required.
Important — anti-asphyxia valve (safety)
This assembly contains the anti-asphyxia valve (AAV) — a safety feature that opens to admit room air if airflow stops (machine off, unplugged, or failed), so you don’t rebreathe exhaled CO₂ inside a full face mask. During therapy, pressurized air holds the valve membrane closed. Make sure the valve and membrane are intact and working, and don’t use the mask with a damaged or missing valve. Keep the vent clear.
What’s included
- 1 × complete anti-asphyxia valve (elbow) assembly — including: elbow retainer, valve frame, valve membrane, valve elbow, swivel clip, and swivel (part 16613)
Mask, frame, cushion, and headgear not included.
About this part — and how it differs from 16624 / 16617
The anti-asphyxia valve assembly is the tubing connection and the safety valve for the Ultra Mirage Full Face mask, in one complete unit:
- Complete assembly (16613, this) — the whole valve unit: elbow retainer, valve frame, valve membrane, valve elbow, swivel clip, and swivel. Choose this to replace the entire valve/elbow assembly.
- Valve elbow (16624) — the elbow + swivel + membrane (a subset — no separate frame/retainer/clip).
- Valve membrane only (16617 / 16618) — just the small silicone membrane (1-pack / 10-pack); choose this if only the membrane is damaged.
Order 16613 for the full assembly; 16624 or 16617 if you only need part of it.
Compatibility
Fits the ResMed Ultra Mirage Full Face, Mirage Series 2 Full Face, and Mirage Full Face masks. (Legacy part — while stocks last.)
Key features
- Genuine ResMed Ultra Mirage Full Face anti-asphyxia valve — complete assembly (16613).
- Full valve unit — elbow retainer, valve frame, membrane, valve elbow, swivel clip, swivel.
- Anti-asphyxia safety valve — admits room air if airflow stops.
- Fits Ultra Mirage FF, Mirage Series 2, Mirage Full Face.
- Complete replacement — vs valve elbow (16624) or membrane only (16617).
Specifications
| Specification | Detail |
|---|---|
| Product type | Anti-asphyxia valve (elbow) — complete assembly |
| Compatible masks | ResMed Ultra Mirage Full Face, Mirage Series 2, Mirage Full Face |
| Includes | Elbow retainer, valve frame, valve membrane, valve elbow, swivel clip, swivel |
| Function | Tubing connection + anti-asphyxia safety valve |
| Not included | Mask, frame, cushion, headgear |
| Related (subsets) | Valve elbow 16624 · valve membrane 16617 (1pk)/16618 (10pk) · spare clips 16637 |
| Material | Plastic + silicone membrane; latex-free |
| Availability | Legacy/discontinued — while stocks last |
| Prescription | Not required |
| ResMed reference / SKU | 16613 |
| Brand | ResMed |
Frequently asked questions
What’s included?
The complete valve assembly — elbow retainer, valve frame, valve membrane, valve elbow, swivel clip, and swivel. The mask, frame, cushion, and headgear are separate.
What does the anti-asphyxia valve do?
It opens to let you breathe room air if airflow stops (machine off/unplugged/failed), preventing CO₂ rebreathing. Don’t use the mask with a damaged or missing valve.
How is 16613 different from 16624 or 16617?
16613 is the complete assembly (whole valve unit). 16624 is the valve elbow (elbow + swivel + membrane). 16617/16618 is the valve membrane only (1-pack/10-pack). Order by how much you need to replace.
Which masks does it fit?
The Ultra Mirage Full Face, Mirage Series 2, and Mirage Full Face masks.
Do I need a prescription?
No — this replacement part does not require a prescription.
Can I get it delivered in Brooklyn or shipped nationwide?
Yes — Stark Medical Supplies offers local pickup and delivery in Brooklyn and across NYC, plus USPS shipping throughout the continental U.S.
This assembly includes an anti-asphyxia safety valve. Use with a compatible ResMed Ultra Mirage / Mirage full face mask per the mask’s user guide, ensure the valve and membrane are intact before use, and keep the vent clear.





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