AirFit N20 nasal mask for CPAP and ventilation machines | ResMed

AirFit™ N20

Nasal mask

Nasal mask designed to fit everyone and accommodate movement. The AirFit N20 and the ‘For Her’ variant feature a nasal InfinitySeal silicone cushion that fits 99.4% of patients tested.1 It provides a clear field of vision, a comfortable padded frame,2 and easy-to-use magnetic clips for quick fitting.3

Product codes: S for Her (63510), S (63509), M (63511), L (63512)

Universal seal performance


An international study found that our nasal InfinitySeal silicone cushion fits 99.4% of all patients tested.1 This means you can be confident that your patients have a mask that will fit and perform.

With its innovative design, the AirFit N20 has been finished and shaped to adapt to the unique facial contours of each patient, offering a robust seal regardless of face shape or size.

Discover the new cushion’s geometry here.

Patient tested and preferred


92% of patients said they preferred wearing the AirFit N20 rather than current market-leading Nasal mask.2
Within individual categories of the survey, the AirFit N20 also achieved a preference of 88% for ease of use, 88% for comfort and 83% for seal2, demonstrating that our technologies can improve the patient experience.

The For Her range

Our AirFit 20 series for Her range mobile

Dedicated purely to women, this range was specifically designed to give every woman a more personalised mask that better meets her unique facial features and adapts to the way she sleeps.


Offer your patients comfort


The AirFit N20 nasal mask is modular and compatible with the AirTouch N20 memory foam cushion3. This means that your patients can switch between the AirFit N20 and the AirTouch N20 cushions whenever they like.



Buy online

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Warranty & services

Looking for service and warranty information on the ResMed AirFit N20 nasal mask?
Find the answers to your questions in our resource centre.


Set patients up with the AirFit N20 mask

Assemble/disassemble the AirFit N20 mask

Maintain and clean the AirFit N20 mask

Keen to explore other masks?

ResMed’s CPAP mask categories are designed to reflect your patients’ needs and sleep habits. Our Versatile Fit, Freedom and Minimalist mask categories make it easier to find the right mask.

Minimalist CPAP masks
Freedom CPAP masks
Versatile Fit CPAP masks

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Please refer to the user guides for relevant information related to any warnings and precautions to be considered before and during use of the products.


  1. ResMed AirFit N20 internal global fitting study of 159 existing ResMed patients, conducted 12/11/2015 ; ID A3697629.
  2. ResMed internal study of 24 existing ResMed patients, conducted between 23/11/2015 – 21/12/2015 comparing the market leading mask with AirFit N20 ; ID A3695085.
  3. Use of masks with magnetic components is contraindicated in patients with the following pre-existing conditions: a metallic haemostatic clip implanted in the head to repair an aneurysm and/or metallic splinters in one or both eyes.