1.For cleaning sewer or drains under ground 2.liquid ring pump 3.200M hose reel 4.3000L water tank This high pressure sewer jetter truck can work by itself without the power from truck chasiss,it mainly help you to cleaning the sewer or drains under ground,it not only flushing the waste away,cutting the solid waste up to mince,but also help you to broken the solid waste and then help you to ...