ResMed AirFit F30i Full Face CPAP MaskThe ResMed AirFit F30i is an under the nose full face CPAP mask with a tube up design: the cushion seals under your nose and around your mouth while the air tubing connects at the top of your head, out of your way. It is a strong choice if you breathe through your mouth or congest at night but still want minimal facial contact and the freedom to sleep in any position. This is the silicone cushion version of the F30i. Its UltraCompact silicone cushion