Sound advice. Guys, click on this link to see that graphic mentioned above: https://www.cdc.gov/niosh/npptl/pdfs/FacialHairWmask11282017-508.pdf
Sound advice. Guys, click on this link to see that graphic mentioned above: https://www.cdc.gov/niosh/npptl/pdfs/FacialHairWmask11282017-508.pdf