coconut shell activated charcoal 1*Granular activated carbon 2*Used for water filter 3*High iodine value 4*8*30 mesh... high efficiency granular coconut shell activated charcoal 1. Detailed Product DescriptionShell activated carbon used carbon shell, peach shell, walnut shell, shell and other shell dates as raw materials, carbonization, activation, and so on Choi superheated steam refining ...