Amazon.com: BEAR FORCE Replacement Pressure Washer Hose 32 ft x 2320 psi, High Pressure Water Cleaning Extension Hose with Extension Connector for most of Karcher K2~K7 Pressure Washers : Patio, Lawn &
Amazon.com: High Pressure Water Hose Extension and Nozzle for Pressure Washer Fit for Karcher K2 K3 K4 K5 40Mpa/5800Psi (15m/49ft, Type2) : Patio, Lawn & Garden
Karcher Pressure Washer Extension Hose x 6m - Screwfix
Karcher Extension Hose Adapter Kit 2.643-037.0
10M Extension High Pressure Washer Hose Garden Clean For Karcher K2 K3 K4 K5 K7 | eBay
How to fit the extension hose to a Karcher K2 - YouTube