1. Integrated metal nose bridge clip, not directly contact with skin. The nose has been improved and the end is shortened. It has good compatibility with UVEX glasses
2360 degree omni directional exhalation valve can effectively reduce the respiratory resistance, reduce the heat and moisture accumulated in the mask, and make it more comfortable to wear
3. Horizontal reinforcing line can reduce the collapse of mask and fit face better
4. Sponge gasket to reduce leakage rate and pressure
5. Seamless fabric belt, welded at the edge of mask, without metal accessories