The soap dispenser works with K2 K3 K4 K5 K6 K7 machines that have the rectangular bayonet connector. The snow foam lance helps to cover and stick thick foam on vehicles. Compared with the traditional way of washing cars, this snow foamer produces a nice thick layer of foam on the car, helps clean the vehicle faster and greatly reduces the washing time. Using a snow foamer you not only allows you to enjoy car washing fun, but also have a luxury car wash at home. Adjustable spray nozzle for mixing and foaming generation. The foam sprayer is adjustable, and you can adjust the foam amount and fan as you like. The size of the soap bottle is 700ML, which is large enough for you to fully distribute on 3-4 sedans with one fill. Car foamer can be used for washing cars, motorcycles, floors, windows, driveways, siding, etc. Ideal for amateurs or professionals.