This is the tubing needed to connect your ResMed AirFit F30 Full Face mask to the ResMed AirMini CPAP machine. The Setup Pack for the AirFit F30 Full Face CPAP Mask is a unique hose and elbow needed to connect the AirMini CPAP machine. If you are currently using the AirFit F30 Full Face Mask you can use this setup pack to connect the mask to the AirMini CPAP machine by removing the existing elbow on the F30 and using the elbow included with this kit in its place.