Well-known user-friendly design. The 3M Cool Flow valve prevents heat build-up in the respirator mask for a cooler and more comfortable fit. The adjustable nose clip helps to seal along the nose and cheeks. FFP2 (Filtering Face Piece – Class 2 respirator mask) provides protection against moderate exposure to particulate matter and oil or water vapours typically encountered in machine grinding, sanding, drilling and cutting cement, wood and steel industry. Headbands hold the mask securely in place and contribute to a good, comfortable seal, whereby the colour coding gives information on performance classification, blue. FFP2 according to EN 149:2001+A1:2010.