Meet EN 149:2001 Standard

FFP1 particulate respirator: For protection against non-toxic harmful solid and liquid in concentrations up to 4xOEL or 4xAPF, such as calcium carbonate, china clay, cement, cellulose, sulfur, cotton, flour, carbon, ferrous metals, vegetable oils and soft wood. Recommended applications for textile industry, craft work, iron and steel industry, mining, underground civil engineering and woodworking ,etc.