... -layer filter DL series multi-layer filter1, This machine fits to distill, sterilize, and clean the liquid with density below 50%, ... impurities.2, It adopts pressure-closed sterilization, with little sterilizing liquid cost, good sterilizing quality, and high efficiency.3, The ... energy.5, The fitting of this machine is stainless steel liquid transfer pump, with little motor, saving electricity.6, This ...