Replacement filters recommended for protection against a wide range of dusts and fumes, including micro-organisms, marble, gypsum, titanium oxide, soapstone, rock wool, wood, detergents, textile fibres, spices, salt, and animal feeds. Provides effective protection against harmful dusts such as asbestos, bauxite, coal, silica, and iron, as well as toxic dusts like manganese, lead, and chromium, which can cause lung disease. Particularly suitable for environments with coal, silica, cotton, iron ore, graphite, kaolin, zinc, and aluminium dusts.