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AirFit F20 Full Face CPAP Mask -ResMed

Model: 63400, 63401, 63402
30 Days CPAP Mask Free Trial
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AirFit F20 Full Face CPAP Mask by ResMed

InfinitySeal Cushion

The seal is designed to contour unique facial structures and for various pressures while providing a strong seal and providing the best apnea therapy throughout the night without the worry of leaks.

Plush Headgear and Magnetic Clips

The headgear is designed for extra comfort and stability providing you with a better night's sleep no matter your sleep position. Magnetic headgear clips are used to help guide the headgear to the frame easily.

Quick Release Elbow and Diffused Venting

The specially designed quick release elbow on the AirFit™ F20 mask can be removed from the tubing without having to remove the mask fully. If you need to get up during the night this means you don't have to worry about taking the mask off and readjusting it when putting it back on, allowing you to make a quick reconnect to the tubing without disrupting your rest.

Multiple Headgear Sizes Available

The AirFit™ F20 is available in multiple sizes and there is a size gauge which can be printed off and used as a guide to determine which size would best be suited for you.

These gauges can be used for headgear, frame and cushion sizes for the AirFit™ F20 mask. The cushion sizes are available in small medium and large.

AirFit F20 Features:

  • Magnetic Clips

  • Quick release elbow

  • InfinitySeal Cushion

  • Adjustable headgear

  • Soft and flexible frame

How often should you replace the AirFit™ 20 mask?

In order for the mask to continue giving you the best sleep apnea therapy available, we recommend that you replace the silicone cushion every 1 month. Mask tubing should be every 3 months and headgear every 6 months.

Your mask should also be cleaned regularly, if you do not have a CPAP cleaning machine, use warm water with mild dish soap and dry out of direct sunlight.

How to find out what mask size you would need for the AirFit™ 20 series?

The AirFit™ series has a size gauge available to make sure you find the best fit for you.

Please print out the size gauge template from the Size Gauge tab from above.

Steps in disassembling F20 mask:

  1. Remove elbow from frame.
  2. Un-clip the magnetic clips.
  3. Undo upper headgear tabs.
  4. Pull strapping away from frame.
  5. Pull cushion away from frame.

Steps in re-assembling F20 mask:

  1. Attach cushion to frame.
  2. Attach the magnetic clips.
  3. Connect upper headgear straps.
  4. Connect elbow to mask frame.


Mask Components

AirFit F20

AirTouch F20


One size fits all 3 size cushions

Same AirFit F20 frame


InfinitySeal silicone

UltraSoft memory foam


Quick release hard plastic

Same as AirFit F20 elbow


Breathable, comfortable and stable with magnetic clips

Same as AirFit F20 headgear

RX Required.

© ResMed 2019 Used with Permission.

SKU: 1099
Write Review
by Date Added: Friday 13 April, 2018

I work at a DME provider and with this mask the key is to not over tighten the headgear. Once you get a good seal adjust it then and let the cushion take over. If you can't run a finger between your headgear and your skin it's too tight and could cause leaks. Also make sure you are sized correctly. All masks run different. You may run a small in a Respironics but need a medium Resmed. I personally use this mask myself and have tried most mask just so I can tell my patients what to expect. This mask and the Amara View are my highest recommended for a full face mask.

Rating: 5 of 5 Stars! [5 of 5 Stars!]

by Cliford G Date Added: Monday 19 February, 2018

This is the best fitting cpap mask that I have found with the fewest air leaks but still have to adjust it tighter than I would like to stop the air leaks. Loosning the mask to a comfortable fit breaks the seal completely.

Rating: 5 of 5 Stars! [5 of 5 Stars!]

by John K Date Added: Sunday 03 December, 2017

Many good feature but the thick plastic cuts my nose.

Rating: 1 of 5 Stars! [1 of 5 Stars!]

by Sam C Date Added: Friday 05 May, 2017

Hi I originally panned the F20 after one night of trying it out, but since then have found that, if adjusted properly, it is less likely to leak than any other mask I have tried, and I have many unused masks. I use a Bipap AVAPS machine and recently travelled overseas for a few weeks, taking both my F10 and F20, thinking that I would use the F10 mostly, but after a few days of travel realised that the F20 gives a better seal, is more comfortable and the straps are more reliable and less likely to rub. I have tried many masks including nasal masks, pillows and full face masks. As I suffer from COPD, lung caner and sinus problems I can only use a full face mask and this is the best I have found so far.

Rating: 5 of 5 Stars! [5 of 5 Stars!]

by Henry A Date Added: Thursday 27 April, 2017

I am using the ResMed Airfit F20 full face CPAP large mask with headgear. I like it except that in order to get a good seal (NO leaks) it must be worn tight on my face. It also causes soreness at the bridge of my nose when I use or. remove the mask. ResMed, if you can correct this problem the mask would be great I am going to try a medium size mask and hope this will correct the problem. Send this to ResMed for corrections to the mask, please. Thank you.

Rating: 3 of 5 Stars! [3 of 5 Stars!]

by Doug Date Added: Thursday 06 April, 2017

I don't usually write reviews but the only review on this site was super negative. I didn't think it was that bad. I don't think there will ever be a perfect full face mask but this was the best I've ever had. I find with all the full face masks I've tried that you have to really cinch down the straps to limit/stop the leaks. This can cause you to have a minor sore spot on the bridge of your nose and of course stap marks. This is the first mask I've had that doesn't leak and you know what that means, a good sleep! I'll take the minor and temporary nose irritation until they have improved this issue.

Rating: 4 of 5 Stars! [4 of 5 Stars!]

by Sam C Date Added: Thursday 16 February, 2017

I eagerly awaited receipt of my new F20, expecting that Resmed would have improved on the F10, which I find ok except the cushions do not last long and the headgear is pretty hopeless as usual. However, although I followed Resmed's instructions, I found that the only way to stop leakage was to have the mask fairly tight. In turn this made the bridge of my nose and cheeks sore by morning. I think the cushion is awful and the plastic of the mask very harsh. The mask is very noisy too and it is easy to dislodge the connecting elbow. The headgear is fine and would be better adapted to the F10. Overall, it will be chucked into the box with other masks that I find difficult to use. A waste of money on my part.

Rating: 1 of 5 Stars! [1 of 5 Stars!]

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