... for water filter 3*High iodine value 4*8*30 mesh... high efficiency granular coconut shell activated charcoal ... Detailed Product DescriptionShell activated carbon used carbon shell, peach shell, walnut shell, shell and other shell dates as raw materials, carbonization, ... 2. Usageit is widely used in domestic, industrial, liquid adsorption, water purification, gas adsorption. Especially for power ...