GI Ultravue® Type "N" Gas Mask— MediumThese Genuine Issued Type "N" gas masks were initially issued to military personnel, meant to protect their eyes, face, and respiratory tract from a variety of hazards like airborne contaminants such as biological contaminants, dust, mists, fumes, and tear gases. Now they can be used by civilians; they are ideal for construction workers regularly exposed to lead dust, wood particles, or fumes from grinding, welding, and cutting preventing respiratory