The slurry flowing from the sand and gravel separator and vehicle washing platform is filtered by the LUCHEN® pressure filter made in China to produce clear water and filter cake. The clear water flows to the clear water tank directly for reuse, and the filter cake is blended into the aggregate for reuse in order to realize zero sewage and waste discharge.You can rest assured to buy Pressure Filter from our factory and we will offer you the best after-sale service and timely delivery.