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ResMed
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360° Swivel Elbow for a Secure, Flexible CPAP Tubing Connection

The ResMed Replacement Elbow Connector is a genuine replacement component designed for use with AirFit™ N30i, AirFit™ P30i, AirFit™ F30i and AirTouch™ N30i CPAP mask systems. It connects the mask frame to the CPAP tubing to maintain a secure and reliable airflow connection throughout therapy.
Featuring a 360° rotating swivel design and quick-release mechanism, this lightweight, transparent elbow connector allows for greater freedom of movement during sleep and makes nightly disconnection and routine maintenance quick and effortless.
It's also the component most often overlooked. The elbow takes the mechanical load every time you turn over, and a swivel that has stiffened or a connection that has loosened causes hose drag and small leaks that are easy to blame on the cushion. If you've replaced the cushion and headgear and the mask still pulls or leaks, the elbow is the next thing to check.
| Specification | Details |
|---|---|
| Brand | ResMed |
| Part Number | 63842 |
| Product Type | CPAP Mask Elbow Connector |
| Compatibility | AirFit™ N30i, AirFit™ P30i, AirFit™ F30i & AirTouch™ N30i |
| Rotation | 360° Swivel |
| Release Mechanism | Quick-Release |
| Tube Connection | Standard 22 mm CPAP Tubing |
| Colour | Transparent & White |
| Installation | Tool-Free Snap-Fit Replacement |
| Not Included | Mask Frame, Cushion, Headgear, CPAP Tubing |
| Suggested Replacement Interval | Every 6 months, or sooner if the swivel stiffens or the joint loosens |
| Intended Use | Component of a CPAP mask system for Obstructive Sleep Apnoea therapy |
| Warranty | Manufacturer Warranty (where applicable) |
This replacement elbow connector is compatible with the following ResMed mask systems only. Please confirm your mask model before purchasing.
If the elbow has worn, the rest of the mask has had the same service life. These are the parts worth checking at the same time.
Regular care keeps the airway clear and the swivel moving freely.
A worn or damaged elbow connector can compromise the airflow connection between your mask and CPAP tubing, reducing therapy effectiveness and comfort. Replacing this component promptly restores a secure, leak-free connection, while the 360° swivel and quick-release design continue to give you the freedom and convenience your nightly routine demands. Compatible across four ResMed mask models, it's a practical, cost-effective way to maintain mask performance.
This is a replacement accessory intended for use only with compatible ResMed AirFit™ N30i, P30i, F30i and AirTouch™ N30i mask systems, as part of CPAP therapy prescribed by a qualified healthcare professional. Always consult your user guide and clinician before use to confirm this component is appropriate for your therapy setup. Never block or cover the vent holes, and do not continue using a cracked or damaged elbow.
Download the official ResMed user guides for the 30i series masks this elbow fits, plus device compatibility information.
🛡️ For Machines : Every eligible product you purchase is backed by a 2-year manufacturer warranty, covering manufacturing defects and workmanship under normal use.
⚠️ For Masks & Accessories : CPAP
masks and mask components are covered by a 6-month warranty against
manufacturing defects only.
*Not covered: Normal wear and tear, misuse, improper cleaning, accidental
damage, or unauthorised modifications.
🚚 Free Next-Day UK Delivery : Orders placed before 3:00 PM GMT, Monday to Friday, are dispatched the same day using our next-day delivery service.
📖 Read More — To view our detailed Shipping policy
↩️ 30-Day Easy Returns : We offer a 30-day return policy on eligible items that are unused, unopened, and in their original sealed packaging. For hygiene and safety reasons, opened or used CPAP Machines, masks, cushions, and other personal-use accessories cannot be returned or replaced.
📖 Read More — To view our detailed Returns & Exchange policy
Q: Which ResMed masks is this replacement elbow connector compatible with?
A: This genuine ResMed elbow connector is compatible with the AirFit™ N30i, AirFit™ P30i, AirFit™ F30i, and AirTouch™ N30i CPAP mask systems. Please confirm your mask model before purchasing.
Q: Does this product include the complete CPAP mask?
A: No. This listing includes the replacement elbow connector only. The mask frame, cushion, headgear, tubing, and CPAP machine are not included.
Q: What is the benefit of the 360° swivel elbow?
A: The 360° swivel design allows your CPAP tubing to rotate freely as you move during sleep, helping reduce hose drag, minimise mask movement, and improve overall comfort throughout the night.
Q: When should I replace my CPAP mask elbow connector?
A: Replace the elbow connector if it becomes cracked, damaged, discoloured, or no longer provides a secure connection between the mask and tubing. Regular inspection and timely replacement help maintain consistent airflow and effective CPAP therapy.

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