Description :<br>3M 9001 N90 Anti PM2.5 Folding Particulate Respirator Dust Mask<br>Specification :<br>Brand Name : 3MModel : 9001Standard : USA N90Colour : WhiteStyle : Head-mounted<br>Function : Non-oily particulate matter (mineral dust， metal dust， fiber dust， grain of dust， dust)， Pollen， fog...Suitable for dust prevention in mining， cement factory， ceramics factory， stone processing， powder processing operations produce.<br>Package includes :<br>1 x 3M 9001 Anti PM2.5 Folding Mask<br>Details pictures :<br>                    How to wear