Karcher Replacement Trigger Hose Spray Gun & 25-Feet Hose Set for Karcher Electric Power Pressure Washers The Karcher Promise: cleaner. Quicker. The most economical way to replace or upgrade a trigger gun and high-pressure hose (25-ft) on a Karcher electric pressure washer Upgrades older Karcher electric pressure washers to quick connect Not compatible with models that have an onboard hose reel Compatible with all Karcher branded consumer electric pressure washers except models K1700 cube, K1700, K1800, K1900, K2000, and models with an onboard hose reel