For 1 1/4" (32 mm) to 6" (150mm) Drain LinesRIDGID Water Jetting Machines are constructed for cleaning a drain. The highly flexible, lightweight hose blasts through sludge, soap and grease blockages. As you pull the hose back, it power washes the line, flushing debris away and restoring drain lines Powerful - Actual working pressure of 1160 PSI (80 bar) and flow 4 GPM (151) for fast, effective cleaning of linesEasy to Use - Thrust propels the hose down the line. You simply guide the hose into the drainPulse Action - Activate the Model KJ-1590's pulse action to easily negotiate difficult bends and trapsPortable - The cart with heavy wheels rolls the jetter to the job site with the greatest easeVersatile - Optional Pressure Wash Package cleans cables, tools and other heavily soiled equipmen