Model Number: S100-2, S100X-2 Mask Material:Silica gel(S100-2), Natural rubber (S100X-2) Function: Protection against Dust, gasoline, Fire, carbon dioxide, ether, nitroalkane, nitrobenzene, carbon trichloride, nitrobenzene, gases & organic vapor, chlorine benzene, acetone, alcohols, anilines, carbon dioxide, carbon tetrachloride, chloroform, chloropicrin, and many other pollutants. Cartridge (Filter element): LDG-1, LDG-3, LDG-4, LDG-5, LDY-7(Instructions as below) Color:Black+Blue Type: Full Face Mask with Replaceable Cartridge System Packing:Individually Wrapped 1unit/box 12units/carton Weight & Dimension:0.5kg/unit/box 25*13*20cm/box 51*42*44cm/carton Application: Disaster relief, Pesticide protection, Chemical laboratory, Fire inspection, Health/epidemic prevention, Environmental technology, Mining, Metallurgy, Fire-fighting, Industrial production, Paint application, Chemical production, and Toxic vapor filtration. Related Words: Full Face Rubber Mask Respirator Spherical surface Mask Fumigation Gas Mask S100-2 Replaceable Cartridge