... .Thickness,10 mm 3.Gram Weight,550 g/m2 Supply Activated Carbon Filter Material Features1.Using polyester, polyamide, nylon, etc. chemical synthetic ... , make into a conformation of the increase in density by nonwoven process, it has a property of high permeability, low initial ... ×20m, GP300: 15mmt×2m×20m, GP400: 20mmt×2m×20m Supply Activated Carbon Filter Material