High optical quality, impact and abrasion resistant polycarbonate visor. Comfortable silicone inner mask with easy maintenance valves, prevents misting of the visor. Key Features The mask gives general protection against toxic gases. Complete visor: wide field of vision ensuring excellent lateral and downwards visibility. Polycarbonate visor. Face piece seal on U-shaped faceblank. Silicone faceblank, making the mask lightweight and resistant to wear and ensuring good facial compatibility. 3 sizes with a high face. Weight 570g. Five-strap head harness. Quick-release adjusting buckles. Side lobes for workers who wear glasses. Built- in plastic speech diaphragms for better speech transmission (plastic membrane). Silicone exhalation valve.