freer movement of the face, high breathing permeability, valve prevents heat build-up, the adjustable nose clip helps to seal along the nose and cheeks, offers protection against medium exposure to fine dust as well as oil or water vapors, as typically occur during machine grinding, sanding, drilling and cutting of paints, varnishes, cement, wood and steel, performance classification of the respirator ? Blue: FFP2 according to EN 149:2001+A1:2010, standards ? CE marking 0086 (EN 149:2001+A1:2009 FFP2 NR D)