These filters are recommended for protection from dust and fumes containing microorganisms, marble, plaster, titanium oxide, soapstone, wood, detergents, textile fibres, spices, salt, animal feed, etc. Furthermore, it protects against dust that can cause lung diseases. In particular, it protects against coal, silica, cotton, iron ore, graphite, kaolin, zinc, aluminum dust, as well as harmful dust such as asbestos, bauxite, coal, silica, iron, manganese, lead and chromium.