With paint coded nose clip respective exhalation valve to identify the protection class. Filtering half masks of the Mandil range stand out owing to their low weight, innovative preformed construction, low breathing resistance and high level of comfort as well as the availability of a Cool Down exhalation valve. The innovative Cool Down Valve is an one-way valve that offers easy exhalation for avoiding heat accumulation within the faceblank. The foam-lined nose area with flexible nose clip enables the mask to fit tightly yet comfortably on the skin. In original packaging: up to 4 years shelf life.