The ResMed AirFit N30i nasal mask now with soft quiet vent sits under your nose and features a top-of-the-head tube design that makes it easier to sleep in any position. Red marks and discomfort are a thing of the past. Enjoy the freedom to move in your sleep and get close to your bed. -section 2- AirFit N30i Features: Quick Release Elbow - allows for flexible movement and connection SpringFit frame - designed for a broader fit range Integrated soft sleeves - designed for built-in comfort Unobstrusive under-the-nose cushion - covers less of the face than a nasal mask Integrated chassis - created to provide additional support Curved cushion design - cradles the nose for added stability and comfort Now with soft quiet vent Septum bridge membrane - designed for a stable seal