Face Mask, Dust Mask, Masks 1.Maintenance free 2.Latex-free synthetic rubber head ... strap. 3.Staple free option Face Mask, Dust Mask, Masks Features1. Conforms to international standards: EN149: 2001 FFP1 FFP2 ... static electricity material to resist normal toxic and ting micron particle. 4.Suited to mining, building, grinding drugs, casting, ... 's demand in details. Face Mask, Dust Mask, Masks