The Mirage™ Micro is ResMed's first nasal CPAP mask to utilize the MicroFit forehead support system.
Product Features
This innovative design features the Mirage™ dual-walled cushion and the MicroFit dial that offers 24 positions, providing a personalized fit for over 95% of all users.
* This mask is only effective when used in conjunction with a CPAP/BiLevel machine
I've used this mask for years.. I'm not sure what the headgear is referring to. I don't use a chin strap, but I obviously use the strap that hold the mask in place.
