Ceramic Foam Filter:Low-pressure loss,Various sizes, shapes and pore sizes are ... advantage :Eliminates turbulence in the metal stream, Smoothes out metal flow, avoiding sprays, splatter and backset. Improve fluidity, castability, machinability, yield ... particulate, Reduce rejects and rework, Low-pressure loss.Provides consistent flow rate and capacity. Various sizes, shapes and pore sizes are ...