... respirator 1.TPR frame 2.single cartridge filter 4.matched with 3# /7# filter 5.at economic price Product Name: half ... body, such as benzene, chlorine, acetone, alcohols, aniline, carbon bisulfide, carbon tetrachloride, chloroform, methyl bromide, chloromethane, nitroalkane.7# (HX- ... gas and steam damage to human body, such as carbon dioxide, chlorine, hydrogen sulfide, nitrogen oxide, phosphorus and ...