... is usually used together with ZJA, ZJB and ZJC series vacuum oil filters. Generally it needs to be equipped with a special ... . SupplyOil Purifier(Oil Regeneration, Oil Purification, oil reprocessing, Oil purify, Oil Recovery,Oil Processing,Oil Filtering,Oil Filtration, Oil Treatment,Oil Recycling,Oil Restoration,Oil disposal, Oil Reclamation) Plate-Frame Pressure Oil Purifier Oil Recycle Machine