Freer movements of the face, high breathability, valve prevents heat build-up, the adjustable nosepiece contributes to the seal along the nose and cheeks, offers protection from medium exposure to fine dust and from oil or water vapors, such as those typically found in machine grinding, sanding, drilling and Cutting paint, varnish, cement, wood and steel occur, 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)