... fine filter and sterilization.Lauter tank specifications include 1- core, 3- core, 5-core, 7-core, 9-core, 11-core, 13 ... inches, 40inches. Filter bore diameters: 0.1μm, 0.22μm, 0.45μm, 1μm, 3μm, 5μm, 10μm. Choosing hydrophobic filter core ( fit for ...