CompatibilityThe soap dispenser works with Karcher K2 K3 K4 K5 K6 K7 machines which have the rectangular bayonet connector. FunctionQuickly and effectively coats surfaces with a creamy foam. Compared with the traditional way of washing cars, this 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 not only allows you to enjoy car washing fun, but also to have a luxury car wash at home. Adjustable Spray NozzleAdjustable spray nozzle for mixing and foaming generation. The foam sprayer is adjustable, and you can adjust the foam amount and fan as you like. Widely ApplicationThe car foamer can be used for washing cars, motorcycles, floors, windows, driveways, roofs, siding, etc. Ideal for amateurs or