ResMed AirFit N30 Nasal CPAP MaskSo discreet, you'll forget you are wearing it. The ResMed AirFit N30 is an under the nose nasal cradle mask that makes a simple, comfortable starting point for CPAP therapy. It is light and quiet, with a QuietAir vent rated at about 18 dBA. The soft nasal cradle cushion rests under your nose instead of inside your nostrils, and the slip on QuickFit headgear goes on without clips, a good fit for side sleepers and anyone who feels boxed in by a full