Multi-type Combined Filter DIRIN 500 A2 B2-P3R D NBC

anti-fogging, non-reflecting and distortion-free polycarbonate visor shield with very large field of vision with standard thread connection DIN EN 148-1 facepiece consists of non-irritating EPDM which is resistant to ageing and guaranteesoutstanding mechanical and chemical resistance built-in speech diaphragm the outstanding transmission of the voice allows the use of megaphones, telephones andtwo-way radios universal size allows the mask to fit tightly but without pressure irrespective of theshape of the face 2 large exhalation valves with exhalation valve pre-chamber results in low Exhalationresistance and prevents dangerous media from penetrating the inside of the mask the inner mask is equipped with 2 check valves which reduce clearance volume and preventthe visor shield from misting up through even visor ventilation approved for firefighters  

protection against organic gases and vapours with a boiling point >65°C, inorganic gases and vapours, sulphur dioxide, ammonia and mercury vapours, as well as particles of toxic and highly toxic substances (P3) with innovative BIOSTOP additionally with dolomite clogging test