Mirage FX Nasal CPAP/BiLevel Mask with Headgear 1090201 There is also a hidden

There is also a hidden strap release for simple one-step removal

it provides a secure seal without the pressure

comfortable fit

These Wisp frames from Respironics are designed for use with all Wisp CPAP/BiPAP Masks

Comfort makes all the difference to the success of sleep therapy

Mirage FX Nasal CPAP/BiLevel Mask with Headgear 1090201 There is also a hiddenResMed's Mirage FX Masks (including the Mirage FX and Mirage FX For Her) are a true leap forward in nasal CPAP mask design. With only four parts (including the headgear) it is hard to imagine more simple nasal mask designs. It is also hard to imagine designs more sophisticated or state of the art.