KARCHER 7.5m Pipe Cleaning Set 2637729KARCHER 7. 5m Pipe Cleaning Set Order No. 2. 637 729. 0 Pipe cleaning set with 7. 5 m hose for clearing blockages in pipes, drains, downpipes and toilets. Four backward firing jets move the hose smoothly through the pipe to effectively clear the blockage. Continuous marking and marking ring show progress in the pipe. 7. 5 m flexible quality textile braided hose with extra short brass nozzle for easy movement in the pipe. With anti kink sleeve and