The filter provides reliable protection against solid and liquid aerosols, smoke producing substances, radioactive particles, bacteria, viruses, vapors of organic and inorganic acids, hydroxides, organic solvents with a boiling point above 65°C, ammonia, amines, acid gases, agricultural chemical combustion products, tear-producing agents, irritants, choking agents, blister and nerve agents, (e.g., bromoacetone, CS substance, organic compounds of arsenic, phosgene, hydrogen cyanide, cyanogen chloride, mustard gas, organophosphates) – sarin, IVA, VX and other toxic substances, (e.g., benzene, toluene, vinyl chloride, fluorine, hydrogen fluoride, sulphur oxides, phosgene, phosphoric acid and its organic derivatives, chloroacetic acid, nitric acid, aldehydes, mixtures of inorganic acids and organic substances.)