How is the CLOSCA mask placed in the face?

How is the CLOSCA mask placed in the face?

Always be sure to handle the mask with washed hands.

Firstly you must ensure the filter has been inserted in its location in the correct position. Then, CLOSCA mask must be placed presenting the wide part at the level of the mouth, and adjusting the closing element type velcro┬« on the nape with a correct tension in frontal area (mouth and nose).