Molded Respirator Spirotek by JSP 725 Typhoon™ with Valve FFP2V The Typhoon™ Molded Mask Spirotek series represents a respirator covering a wide range of tasks. The entire series features the unique Typhoon™ Valve technology for extremely low exhalation resistance with CO2 emissions and heat buildup, and extremely low moisture accumulation. The Spirotek mask series complies with the EN 149:2001+A1:2009 standard.