What size AirFit N20 Classic nasal mask cushion is right for me?

Your ResMed Authorised Dealer will help you select the cushion size that fits you best.

You can also check your size at home using an AirFit N20 Classic sizing guide.

1. Use the sizing guide provided with your mask or download a printable sizing guide here.
2. Hold the sizing guide to your nose while in front of a mirror.
3. Try fitting your nose into each sizing slot: small, medium and large.