AirFit N30i - Small Frame SystemThe ResMed AirFit N30i Small Frame System is designed with a top of the head tube and a nasal cradle cushion that sits comfortably under the nose while sleeping in any position including your side or stomach. Compatible with the ResMed AirFit N30i Nasal Cradle Mask. Features Top of the head tube Minimalist design gives you the freedom to switch positions, sleep comfortably, and be closer to your bed partner. SpringFit Frame Manufactured so air flows