SuperFlow 4 - Inline Our SIF In-Line mixer is specially designed to give you a quick and efficient blend of dry and liquid ingredients by recirculation.To avoid “fish-eyes” or lumps in the product the dry and wet ingredients are kept separate until meeting in the mixing chamber. To avoid “fish-eyes” or lumps in the product the dry and wet ingredients are kept sperate until meeting in the mixing chamber. Our SIF In-Line mixer is specially designed to give you a quick and efficient blend of dry and liquid ingredients by recirculation.