Prevent mist mask applied to effectively prevent medical units personnel in accepts, pollutant treatment inspection of facial spatter, good anti-fog function at the same time, give treatment provides a clear field of vision, set of head type of protective film, sponge and elastic, frame type by the protective film, frame and the ears hang off, this product is widely used in medical treatment activity of various facial protection requires operators work, this product is only as the splash contaminated the operator use in medical treatment activity, strictly prohibited to use this product instead of infectious agents such as bacteria protective equipment.