Best Choice Products Pro Adjustable High Pressure Car Washer Gun Snow Foam Lance w/Bottle - White/Black Adjustable Foam Lance with Bayonet Fitting Fits Karcher Electric Pressure Washers Requires Pressure Washer to Have 2.0GPM & Over 1000 PSI Pressure for use Disperses thick foam up to 20 ft Easy to use Perfect for Driveways, Roofs, Siding, Cars, Trucks, SUVs.