<b>Weight</b>:120g/pcs <br> <b>Size:</b>Diameter:8.5cm,height:4cm <br> <p><b>Application:</b>apply for proof against organic vapor,such as benzene,chlorine,acetone,alcohols,phenyl amines,carbon bisulfide,carbon tetrachloride,chloroform,etc <br> <b>Note:</b><br>1,For proof safety, according the working environment you should choose different cartridges. <br>2,The effective time of each cartridge proof against organic vapor last 45 minutes.</P> <b>Attention:</b>Ldy3 cartridge package is upgrading~you will get the newest sealed package!