Portwest Swiss Full Face MaskThe Helsinki full face mask is made with a soft thermoplastic rubber face seal and features a panoramic view. The internal silicone facepiece is equipped with two inhalation valves to reduce fogging and improve comfort. This mask features a standard thread connection according to EN 148 1. It can be used with all filters supporting the same standard (gas, particles or combined and motorized equipment). Filters are not included (sold separately).