Single-filter full face mask made of thermoplastic rubber, including the inner facepiece. RD40 thread connection according to EN 148-1, suitable for all respiratory protective devices. Designed to avoid fogging of the visor by controlling the cold and hot air flows inside the mask. Fixed at 6 points, it guarantees extremely precise adjustment by evenly distributing the pressure on the face. The mask is equipped with a vocal membrane to improve communication. Filters are not included in the package.