HOW DO I GET THE BEST FIT OF THE MASK?
The key to effective protection for a pollution mask is both the filter capability and the fit-factor. In order to get the best fit of your Metro-Mask: Urban, please see the following tutorial movies:
The key to effective protection for a pollution mask is both the filter capability and the fit-factor. In order to get the best fit of your Metro-Mask: Urban, please see the following tutorial movies: