These mask are intended to be used for protection against solid and liquid aerosols in wood, cement, glass working, textile, mining and construction environments. These masks have long-lasting durability, soft, comfortable inner surface with an adjustable nosepiece and secured and straps for a proper fit. These masks are designed with low breathing resistance for increased working comfort. ALL FFP1 & KS2 mask are to be used in situations up to 4 times the Occupational Exposurel Level(OEL).