The curved cushion of AirFit™ N30 is compact and incredibly soft. It cradles discreetly under your nose for a comfortable fit that is designed to help prevent nostril soreness, nasal bridge discomfort and red marks. And its narrow profile provides an even fit designed to provide a great seal, so it’s perfect if you sleep on your side. Features like the QuietAir™ vent technology give you the comfort and performance needed to stick with therapy long term. ResMed QuietAir™ technology is designed to minimize noise by breaking up exhaled air so it's spread out lightly for a more peaceful bedroom. The AirFit™ N30 Cushion is compatible with AirFit™ N30 Nasal Mask Complete System.