. . : squeaking lineament silicone. : Gray. : headset. Type : carbon mask. : 700gHighlights. somebody cut is and practiced sealing. grappler design-more. Interface closely to the intrusion of gas. Type : carbon mask. : GB.Cartridges : 1010 #. Protection : fertilizer and vapors, chlorine benzene, acetone, alcohols, anilines, carbon dioxide, carbon tetrachloride, chloroform, methyl bromide, methyl chloride, chloropicrin and 1000 kinds of Item included :. * 1. with activated carbon * 1 Applications : Apply in paint, chemicals, polish, pesticides protectionChemical laboratory, fire inspection equipment, petroleum, mining, metallurgy, fire fighting, disaster relief, health and eruption prevention and situation technology. If you need filter Cartridges, please search the ASIN : B0728J18YF, We also have 1 #, 7 #, 4 # filter, if you need, please contact me ! . Service : We to put our hundred percent to resolve your issues and try our best to achieve your satisfaction!Usage Note. When you use filter sponge/cotton in wet or steam environment, please it regularly to make for sure breath smoothly, as it can absorb steam and dust. Do n't filter sponge in dry out working environment, otherwise it will be demanding to breathe. The concentration of the gases on the life of the cartridge. Please contact us if you want more info about how long time to replace filter in your environment, we will our advises. . If you find that the filter has discount carbon leakage of 1-2 tablets activated carbon, do not, if there are more than 5 tablets activated carbon, replace the cartridge asap to avoid insecure usage .