Trade Name:Carbon filter foam/water purification filter foam/air filter foamMaterial:Polyester and Polyether foamDensity:10-100 ppi Thickness:Could be customized according to customer’s requirements.Width:Could be customized according to customer’s requirements.Color:Could be customized according to customer’s requirements.Function:strong water-oil resistance/reusable and high porosity,etc. Industry Standard:GB,BS-5852 or TB117.