The soap dispenser works with Karcher K2 K3 K4 K5 K6 K7 machines which have the rectangular bayonet connector. The snow foam lance allows you to cover and stick thick foam to vehicles . Compared to 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 significantly reduces washing time. Using a snow foamer you not only allows you to enjoy car washing pleasure, but also have a luxury car wash at home. Adjustable spray nozzle for mixing and foam generation. The foam sprayer is adjustable and you can adjust the foam quantity and fan as you like. The size of the soap bottle is 750ML, which is large enough for you to distribute completely on 3-4 sedans with a single fill. The car foamer can be used for washing cars, motorcycles, floors, windows, driveways, upholstery, etc. Ideal for amateurs or professionals. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some differences color, please refer to the actual item received.