【Compatibility】The soap dispenser works with Karcher K2 K3 K4 K5 K6 K7 machines which have the rectangular bayonet connector. 【Function】Quickly 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. 【Capacity】The 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 Nozzle】Adjustable spray nozzle for a generation of mixing and foam. The foam sprayer is adjustable and you can adjust the amount and fan of foam as you like. 【Widely Application】The car foam gun can be used for washing cars, motorcycles, floors, windows, driveways, roofs, siding, etc. Ideal for amateurs or professionals. Works great with home