InfinitySeal cushion technology — ResMed's most adaptive nasal cushion design, providing a consistent, reliable seal in any sleep position

Specially designed to fit all patients regardless of facial profile, including those who have struggled to find a well-fitting nasal mask

No rules fit philosophy — simple enough to put on and fit correctly without specific fitting instructions or adjustment rituals

Soft, flexible frame with integrated padding for comfortable contact throughout the night

Comfortably moves with you during sleep, accommodating position changes without compromising the seal

Magnetic clips guide headgear to the frame quickly and securely for fast, effortless nightly fitting

Modular design allows cushions to be clicked in and out of the frame easily without tools

Ideal for patients who breathe through their nose during sleep

Compatible with all CPAP machines from all manufacturers

• Nasal breathers who are looking for a comfortable, reliable nasal CPAP mask
• Patients who have struggled to find a nasal mask that fits their facial profile comfortably
• Those who want a simple, intuitive fitting experience with no complex rules or adjustments
• Active sleepers and side sleepers who need a mask that maintains its seal through movement and position changes
• CPAP users who find full face masks bulky, claustrophobic, or uncomfortable and want a lower-profile nasal alternative
• Patients new to CPAP therapy who want a straightforward, easy-to-use mask
• Those who value a consistent fit from night to night without frequent headgear readjustment

Sizing: Use the included fitting template to confirm your correct cushion size before ordering. The AirFit N20 is available in Extra Small, Small, Medium, and Large. While the InfinitySeal cushion is highly adaptive, selecting the correct size remains the most important step toward a leak-free seal.

No rules fit: The AirFit N20 is designed to be intuitive. Place the cushion over your nose, let the magnetic clips guide the headgear into place, and adjust to a comfortable tension. There is no precise fitting protocol required.

Nasal breathing: The AirFit N20 is a nasal mask designed for patients who breathe through their nose during sleep. If you breathe through your mouth or experience frequent mouth opening during sleep, a full face mask may be more appropriate for your therapy. Contact CPAP Machines Canada if you are unsure which mask type suits your breathing pattern.

Magnetic clips: Magnetic clips guide headgear to the frame quickly and without precise alignment. Keep them away from pacemakers, other implanted devices, and items sensitive to magnetic fields.

Replacement cushions: When ordering replacement cushions, use the fitting template to reconfirm your size. Cushion fit can be affected by weight changes or facial structure changes over time.

Clean the AirFit N20 cushion, frame, headgear, clips, and short hose connector daily with warm water and mild, unscented soap. Rinse thoroughly and allow to air dry on a clean paper towel or cloth away from direct sunlight. Do not use alcohol-based cleaners, bleach, or scented soaps, as these can degrade the silicone cushion material and cause skin irritation.

Inspect the InfinitySeal cushion regularly for signs of wear, stiffening, or loss of flexibility and replace on the recommended schedule to maintain consistent seal performance.

Mask Type: Nasal
Cushion Technology: InfinitySeal — ResMed's most adaptive nasal cushion design
Frame Design: Modular, soft and flexible with integrated padding
Headgear: Standard with magnetic clips
Clips: Magnetic
Connector: Short hose connector
Available Sizes: Extra Small, Small, Medium, Large
Fit Philosophy: No rules fit — designed for all facial profiles
Machine Compatibility: All CPAP, APAP, and BiPAP machines from all manufacturers

• AirFit N20 InfinitySeal nasal cushion (in selected size)
• Mask frame
• Headgear
• Magnetic clips
• Short hose connector

AirFit N20 InfinitySeal Cushion — replace every 2 to 3 months
AirFit N20 Headgear — replace every 6 months or sooner if elasticity is reduced
AirFit N20 Frame — replace every 6 months, inspect regularly for cracks or deformation
Short Hose Connector — replace every 3 to 6 months or if seal is compromised

Contact CPAP Machines Canada to order genuine ResMed AirFit N20 replacement parts.

Q: What is the InfinitySeal cushion and why does it fit so many faces?
A: The InfinitySeal cushion uses a flexible silicone construction that dynamically conforms to the contours of your nose and surrounding facial structure. Rather than relying on a single fixed shape, it adapts to your face as you move during sleep, providing a consistent seal across a wide range of facial profiles. ResMed designed it specifically to fit all patients regardless of facial structure, making it one of the most universally fitting nasal cushions available.

Q: What does "no rules fit" mean?
A: No rules fit refers to the AirFit N20's design philosophy of making the mask intuitive and straightforward to put on correctly without needing to follow specific fitting instructions or adjustment rules. The magnetic clips guide the headgear into place automatically, and the InfinitySeal cushion adapts to your face rather than requiring precise positioning. Most patients can put the AirFit N20 on correctly from the very first night without guidance.

Q: Is the AirFit N20 suitable if I sometimes breathe through my mouth?
A: The AirFit N20 is a nasal mask designed for patients who breathe through their nose during sleep. If you frequently breathe through your mouth, open your mouth during sleep, or experience nasal congestion that forces mouth breathing, a full face mask may be more appropriate for your therapy. Contact CPAP Machines Canada for guidance on choosing the right mask type for your breathing pattern.

Q: What sleeping positions is the AirFit N20 suited for?
A: The AirFit N20's InfinitySeal cushion and flexible frame are designed to move with you throughout the night, maintaining a reliable seal across all sleep positions including back sleeping, side sleeping, and for active sleepers who move frequently.

Q: How do I find the right size?
A: Use the fitting template included with your mask. The AirFit N20 is available in Extra Small, Small, Medium, and Large. While the InfinitySeal cushion is highly adaptive, selecting the correct base size is still the most important factor in achieving a comfortable, leak-free fit.

Q: How often should I replace the AirFit N20 cushion?
A: Replace the InfinitySeal cushion every 2 to 3 months as recommended. Over time the silicone stiffens and loses its adaptive flexibility, reducing seal quality. Replace sooner if you notice increased leaking, visible wear, discolouration, or reduced comfort.

Q: How often should I replace the full AirFit N20 mask?
A: Health Canada recommends replacing your CPAP interface every 6 months. All mask components including the frame, headgear, and connector wear over time and should be replaced on schedule to maintain consistent fit, seal quality, and hygiene.

Q: Is the AirFit N20 compatible with my CPAP machine?
A: Yes. The AirFit N20 is compatible with all CPAP, APAP, and BiPAP machines from all manufacturers.