Pre-Filter 2003/90

for combination filters and multi-type combined filters from the series 230 and DIRIN 230

anti-fogging, non-reflecting and distortion-free visor made of laminated safety glass (triplex) with very large field of vision visor also resistant against solvents facepiece made of silicone, which is particularly kind to the skin with standard thread connection DIN EN 148-1 built-in speech diaphragm the outstanding transmission of the voice allows the use of megaphones, telephones and two-way radios universal size allows the mask to fit tightly but without pressure irrespective of the shape of the face 2 large exhalation valves with exhalation valve pre-chamber results in low exhalation resistance 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 prevent the visor shield from misting up through even visor ventilation  

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

category 3, type A colour: midnight blue made of polychloroprene approx. 31 cm long anatomical shape with good gropeability sanitised, cotton lined, patterned for a non-slip grip cotton flocked high abrasion resistance resistant to many chemical substances such as acids, bases and organic oils and fats as well as bacteriological contamination glove can be used universally for laboratory, trade and industry with excellent fingertip feel excellent abrasion resistance and thereby very long service life provides protection against bacteria and fungi  

made of polyvinylchloride coated polyester fabric mask aperture with leak-proof collar covers the head and neck