1.For cleaning sewer or drains under ground 2.High Pressure pump 3.hydraulic control the hose reel 4.2000PSI and 276L per Min This high pressure sewage jetting truck or sewage jetting vehicle 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 ...