Offering QuietAir™ diffused venting technology for quiet operation and SpringFit frame for a more personalized fit, ResMed AirFit™ N30i nasal pillows mask is designed to let active sleepers shift positions more freely. The top-of-head design and new soft, flexible silicone cushion adapts as you move, offering the freedom to sleep in any position. This purchase does not include the AirFit N30i headgear or mask frame system.