Disposable self-filtering face mask with valve

This mask is made of a polypropylene outer layer, a polyester inner layer, a latex-free synthetic rubber elastic band, an aluminium adaptable nose part and a polyethylene nose pad. Protects from non-toxic solid and liquid aerosols, calcium carbonate, kaolin, cement, cellulose, sulphur, cotton, flour, coal, ferritic materials, vegetable oils and soft wood. It is particularly suitable for use in the textile industry, crafting, metallurgy, mining, underground public works, carpentry and woodwork.