Karcher K4 WCM High Pressure WasherPressure washer K 4 WCM Powerful cleaning: The K 4 WCM with water cooled motor is perfect for moderate dirt on vehicles, garden fences or bicycles. The K 4 WCM impresses with a powerful water cooled motor, which is characterised by a long lifetime. The pressure washer with 6 metre long high pressure hose was built for occasional use and moderate dirt. Thanks to the Vario Power spray lance (VPS) and dirt blaster, terraces, garden furniture and vehicles