The half mask SR 100 is equipped with two exhalation valves, which have extremely low breathing resistance. The valve caps with shields protect the exhalation membrane against dust and colour particles. The easily adjustable straps are have a V-loop design, and feature a large cupped head plate for a comfortable and secure fit. - - -- The material and colour pigments of the body of the mask are approved for use with food, so the risk of contact allergies is limited to a minimum. The mask is made from silicone. Available in 3 sizes: S/M, M/L and L/XL. Technical details: Inhalation resistance at 30 l/min approx. 3 Pa. Exhalation resistance at 160 l/min approx. 70 Pa. Operating temperature -10 to +55 degrees Celsius <90 % RH. Storage temperature -20 to +40 degrees Celsius <90 % RH. Weight approximately: 180 g. Protection factor (according to German standard for half masks with particle filters P3 according to BGR 190) 30 (P3), 30 (GasX), 30 (GasX P3). Nominal protection factor (according to EN 529:2005) 48 (P3), 50 (GasX), 48 (GasX P3). Certification: EN 140:1998. Includes: 1 x half mask SR 100.  
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