The MicroFit dial offers 24 positions, providing a personalized fit for over 95% of all users
What you will get:
Based on your selection of Size-Model a genuine retail Mirage Activa LT™ Mask pack includes
One double wall mask cushion of selected size with clip
One mask frame of selected size
One standard size headgear (aka strap, harness) with headgear clips.
One forehead cushion with Micro-Fit dial
The elbow tube with improved diffusion vent
More than half of price saving what you pay at your local retail clinic / pharmacy
Manufacturer has listed these Features of the mask
Easy On/Off Headgear
Flexible Headgear Reduces Red Marks
MicroFit Dial Precision Mask Adjustment
Redesigned Quieter Exhaust Ventilation
MicroFit Dial The MicroFit dial allows CPAP users to find the right fit using 24 small incremental adjustments. The dual-wall cushion and forehead move in tandem as the dial is turned. This design is intended to address difficultly with "first time" fittings and ensure that is it not necessary to over tighten the mask's headgear.