The ResMed Mirage FX Nasal CPAP Mask is the mask that so many CPAP users have been waiting for and talking about! With only four parts, it has an innovative, one-size-fits-most approach. The ResMed Mirage™ FX CPAP Mask is comfortable, lightweight, and easy to wear. The winged, "butterfly" forehead support reduces the possibility of pressure point pain or red spots in the morning. This mask is available in two sizes and designed to fit the majority of individuals.