New InfinitySeal silicone cushion designed to accommodate your movements, and tolerate misfitting
Easy to use magnetic clips for quick fitting
Flexible fabric-lined frame delivers breadth of fit while adding comfort
Plush headgear assists in giving a more comfortable night’s therapy
Women’s for Her variant available for more tailored therapy
Sizing for your AirFit F20
You can print your ResMed sizing guide here. Remember to print to scale, as you’ll have to cut out your guide from the document you print.
Once you have your sizing guide:
use a mirror and hold the sizing guide to your face. The top of the guide should correspond with the top of your nasal bridge.
the lower part of the guide indicates which mask size is best for your face. The size that aligns with the crease below your lower lip will be your recommended fit.
If you’re between sizes, we recommend selecting the larger option for greater comfort.
As an alternative to using a sizing guide, you can also use a straight ruler to measure the distance from the bridge of your nose (between your eyes) to the dip between your lower lip and your chin. Different measurements correspond to the following sizes: