Karcher Vario Power Spray Wand for Karcher Electric Pressure Washers Replacement Vario Power Spray wand included with most Krcher electric pressure washers Allows you to easily switch from low to high pressure, and everything between, while you clean Infinitely variable pressure adjustment Automatically dispenses detergent when in low pressure mode For Karcher electric models K2/K3/K4/K5. Does not fit K1700-K2000