Carrier activated carbon 4mm Certificate: NSF,ISO9001, ISO9002 Usage: is used for poisinous gases H2S, Methy mercaptan, etc. Product Name: Carrier activated carbon 4x6meshProduct Type:CC40-16,CC90-8,CC100-12,CC100-5,CG95-12,CC120-16Product Usage:carrier activated carbon 4mm is used in the treatment of poisonous and smelly industrial waste gased of H2S, Methyl mercaptan, SO2, Dimethyl sulfide, ...