Shandong Hatang Electric Commerce Co., Ltd.  

Product Name: Double-Ball Activated Carbon Gas Mask Model NO.: SM3720 Color: Gray Shape: Stereoscopic Available Times: Reusable Age Group: Adult Style: Headloop Layers: Filter Cotton + Filter Box Material: Rubber Trademark: SHUANGQIU Transport Package: Box Specification: 15.4*14.5*13.3cm Origin: China Product Description Product informationnameSelf-suction filtering gas mask half mask (double box)MaterialSilica gelsize15.4*14.5*13.3cm(With packaging)weight396gcolourgrayFeaturesDustproof, anti-virus, anti-organic gasFilter sponge: Generally, it is replaced every 10-20 days. The specific replacement standard: the filter cotton needs to be replaced when it becomes black and affects the ventilation rate (the frequency of use in different environments and the replacement time are different, depending on the specific situation)Filter box:Generally, it is replaced every 15-60 days, the specific replacement standard: When you smell something that is no longer fresh airFilter box numberProtection range1L # boxHydrocyanic acid, hydrogen chloride, arsine, phosgene, chloropicrin, benzene, methyl bromide, Louis gas, phosphine. (only for escape)1 # boxHydrocyanic acid, hydrogen chloride, arsine, phosgene, chloropicrin, benzene, methyl bromide, Louis gas, phosphine, toxic fumes (escape only)2L # boxCarbon monoxide, organic vapor, hydrocyanic acid and its derivatives, poisonous smoke, poison, etc. (only for escape)3L # boxBenzene, chlorine, acetone, alcohols, anilines, sulfur dioxide, carbon tetrachloride, chloroform, methyl bromide, methyl chloride, nitroalkanes, poisonous smoke3 # boxBenzene, chlorine, acetone, alcohols, anilines, sulfur dioxide, carbon tetrachloride, chloroform, methyl bromide, methyl chloride, nitroalkanes.4L # boxAmmonia, hydrogen sulfide, poisonous smoke and mist4 # boxAmmonia, hydrogen sulfide.5 # boxCarbon monoxide6 # boxMercury vapor7L # boxSulfur dioxide, chlorine gas, hydrogen sulfide, nitrogen oxides, phosgene, phosphorus and nitrogen-containing organic pesticides, poisonous smoke and mist.7 # boxSulfur dioxide, chlorine gas, hydrogen sulfide, nitrogen oxides, phosgene, phosphorus and nitrogen-containing organic pesticides.8L # boxHydrogen sulfide, poisonous smoke and mist.8 # boxHydrogen sulfide9L # boxFormaldehyde, smoke9 # boxformaldehyde10 # boxEfficient dust filter to filter all kinds of particles and odor11 # boxEfficient dust filter to filter all kinds of particles, welding smoke, glass fiber and odor, etc.Note: You must read the instructions before use