Conforms to EN149 2001 FFP2 standards. Foldable design, sealed edge avoids open layers and eliminates the possibility of irritation, polypropylene (P.P) outer/inner layers provides smooth lining and comfortable feel, soft edges fit different facial shapes with minimum leakage, continuous loop allow to hang the mask around the neck when not in use. With exhalation valve for breathing easier and reduce hot air build up. For protection from low-to average toxicity harmful solid, liquid aerosols and smoke containing the following materials in concentrations up to 12 x OEL or 10 x APF, such as calcium carbonate, china clay, cement, cellulose, sulfur, cotton, flour, ferrous metals, vegetable oils, hardwood, glass fibers, plastic, carbon, mineral oils, quartz, copper, aluminum, bacteria, fungi and mycobacterium tuberclosis(T.B). Recommended applications:textile industry, craft work, iron and steel industry, mining, underground civil engineering, woodworking, welding work, cutting and casing of metals, hospital, laboratory and disease control....etc.