... Machine (S 100)20-100mm, the longest cleaning length is 30 meters. Multifunctional, heavy duty, compact structure, wide application scope, using ... can be lengthened at will, with a cleaning length up to 30 meters. Using sectional helical flexible shafts of Dia 22mm, pipes ... can be lengthened at will, with a cleaning length up to 30 meters. Press the handle, the rotating speed is up ...