The P3 class is designed for the protection of the respiratory tract against particulate aerosols, water-based aerosols (dust,smoke) and aerosols with liquid dispersed phase(mist), providing that the concentration of the dispersed phase does not exceed 30xTLV. This class is used in high concentration of breathable dusts, used during welding and soldering, protects from dusts containing beryllium, antimony, arsenic, cadmium, cobalt, nickel, radium, strychnine, and radioactive particles
