CompatibilityThe soap dispenser works with Karcher K2 K3 K4 K5 K6 K7 machines which have the rectangular bayonet connector. FunctionQuickly and effectively covers surfaces with a creamy foam. Compared with the traditional way of washing cars, this foam gun produces a nice thick layer of foam on the car, helps to clean the vehicle faster and greatly reduces the washing time. Using a snow foam gun not only allows you to enjoy car washing pleasure, but also have a luxury car wash at home. CapacityThe size of the soap bottle is 750ML, which is large enough for you to fully distribute on 3-4 sedans with a single filling. Adjustable Spray NozzleAdjustable spray nozzle for mixing and foam generation. The foam sprayer is adjustable and you can adjust the amount and fan of foam as you like. Widely ApplicationThe car foam gun can be used for washing cars, motorcycles, floors, windows, driveways, roofs, siding, etc. Ideal for hobbyists or professionals. Works great with home pressure washers. Specification: Pressure Range: 2100PSI/ 15MPa Bottle Capacity: 750ML Construction Material: Solid Brass, Nylon and HDPE Bottle. Maximum Water Temperature: 60. Adjustable Foam Consumption: Yes. Adjustable Spray Width: Yes. Package Contents: 1x Foam Lance with Adapter 1x PA Bottle (750ML)