Karcher K2 Compact Home (1.673-127.0) Hoses | eSparesPressure Washer K2-K7 High Pressure Hose - 9M. 5. 9 m high-pressure replacement hose for Kärcher domestic pressure washers, where the hose is connected to the gun and pressure washer using the quick connect system More information. In Stock. Stock Nuer ES1373045. Was £69.99 £62.99. Pressure Washer K2-K7 High Pressure Hose - 9M. 5.