The ceramic filter of honeycomb combine be made to remove dross, slag and other impurities from the melt. Feature: High Mechanical intensity , heat-resistant characteristic, able to get rid of the metal impurity, refractory scrap, solid refractory alloy, sinter, in the molten metal liquid when casting the products, Reduce the air vent of castings, raise the quality of casting, reduce and cast the cost, Raise productivity.