ResMed
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ResMed
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Secure and Comfortable InfinitySeal™ Cushion
The ResMed AirFit™ N20 / AirTouch™ N20 Cushion is designed to provide a comfortable and reliable replacement solution for your nasal CPAP mask system. Featuring advanced InfinitySeal™ silicone technology, the cushion adapts to a wide range of facial contours to help maintain a secure seal throughout the night — including at higher therapy pressures, where nasal masks are often hardest to keep sealed.
The cushion is the hardest-working part of your whole setup, and the first to wear out. Silicone gradually absorbs facial oils and hardens, losing the slight tackiness that lets it seal against your skin without pressure. Once that happens, the usual instinct is to tighten the headgear — which is what causes red marks and sore spots. Fitting a fresh cushion is the single most effective fix for a mask that used to seal and now leaks.
Made from soft, flexible silicone, the cushion reduces pressure on the nose while maintaining a comfortable fit, and the contoured design adapts naturally to movement during sleep. It's easy to remove, clean, and replace as part of routine maintenance, and is available in multiple sizes so you can find the most suitable fit without changing your existing mask frame.
| Specification | Details |
|---|---|
| Brand | ResMed |
| Product Type | Replacement Nasal Cushion |
| Compatibility | AirFit™ N20 & AirTouch™ N20 |
| Technology | InfinitySeal™ Silicone |
| Material | Soft Silicone |
| Available Sizes | Small, Medium & Large |
| Frame Compatibility | All sizes fit the same universal N20 frame |
| Not Included | Mask Frame, Headgear, Elbow Connector, Short Tube |
| Suggested Replacement Interval | Monthly, or sooner if worn, hardened or discoloured |
| Washing | Hand wash daily in warm water with mild, unscented soap |
| Intended Use | Component of a CPAP mask system for Obstructive Sleep Apnoea therapy |
| Warranty | Manufacturer Warranty (where applicable) |
The cushion is available in Small, Medium, and Large to suit a range of facial shapes. Choosing the correct size supports a better seal, fewer leaks and more comfortable therapy. All three sizes fit the same universal N20 frame, so changing size never means buying a new mask.
If your cushion is overdue, the rest of the mask usually is too. These are the parts worth checking at the same time.
Regular cleaning extends the life of your cushion and helps maintain hygiene for safe, effective therapy.
A worn cushion is one of the most common causes of mask leaks and disrupted therapy — and one of the simplest things to put right. As a genuine ResMed component, this InfinitySeal™ cushion is built to the exact specification of your AirFit N20 or AirTouch N20 mask, so fit, seal, and comfort are exactly as intended, without the cost or hassle of replacing the entire mask system. Whether you're refreshing a worn cushion or keeping a spare on hand, it's a straightforward way to keep your therapy consistent night after night.
This cushion is a component of a medical device intended for the treatment of obstructive sleep apnoea and must only be used as part of a complete, compatible AirFit N20 or AirTouch N20 mask system. This listing includes the replacement cushion only — mask frame, headgear, elbow connector, and short tube are not included and are sold separately.
Always confirm cushion size and mask compatibility before use, and inspect the cushion regularly for signs of wear, damage, or discolouration. Never block or cover the mask vent holes. If you experience skin irritation, persistent leaks, or any adverse reaction while using this product, discontinue use and consult your CPAP provider or healthcare professional.
Download the official ResMed documents for the AirFit N20 mask system, including the printable cushion fitting template and 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
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