These masks are intended to be used for protection against solid and liquid aerosols in wood, cement, glass working, textile, mining and construction environments. They are extremely durable, and they have a soft inner surface with an adjustable nose piece and a secured head straps for a proper fit. There is a low breathing resistance for increased working comfort. All FFP2 masks are to be used in situations up to 10 times the Occupational Exposure Level (OEL).