SIZING: SleepWeaver Anew Headgear is available in two sizes -- Small and Regular. The sizes are interchangeable so either headgear size can be used with any SleepWeaver Anew mask. Small SleepWeaver Anew masks come prepackaged with Small Anew headgear. Regular and Large Anew masks come prepackaged with Regular Anew headgear.
COMPATIBILITY: This headgear is only designed for use with the SleepWeaver Anew Full Face Mask. It will not work with other SleepWeaver masks.