The Kärcher 4.203-320.0 sewer cleaning hose, also known as 420332015, is a high-quality 15-meter accessory designed for effective clearing of blockages in pipes, drains, and downpipes. This genuine Kärcher part features four backward-firing high-pressure jets that propel the hose through the pipe while simultaneously dislodging and flushing away debris. It is compatible with Kärcher K2 to K7 series high-pressure washers, offering a practical solution for maintaining clear drainage systems.