Size Name:M Half Mask The SR 900 can be removed with two exhalation valves, which stand out for their extremely low breathing resistance.The valve caps with Abschirmer protects the Ausatemmembrane dust and particles.The easily adjustable carry straps represent a V bow and have a large Schalenförmige headstock, providing a comfortable and secure adjustment.The HALF MASK SR 900 is used in combination with the following products:Filter from the Sundström range, e.g. gas filter for SR 218/3, SR 315 or particulate filter SR 510 or a combination of this filter- Back holder filter system SR 905- Compressed air Additional SR 307/SR 507- Fan unit SR 500/SR 700The material and the colour pigments of the mask body are approved for food, so that the risk of contact allergies limited to minium.The mask is made from TPE (thermoplastic elastomer) and polypropylene (PP).Available in 3 sizes: S, M and L Technical detailsInhalation Resistance at 30 L/min Approximately 3 PaFor Emwinder footing when 160L/min approx. 70 PAWorking temperature - 10 to + 55 degrees Celsius < 90% RHStorage Temperature -20 to + 40 °C < 90% RHWeight S = 132g M = 136 g L = 138gProtection Factor (German Norm for half mask 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) Box ContentsHalf Mask 1 x Sr 900
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