The soap dispenser works with all Karcher K2 K3 K4 K5 K6 K7 machines that have the rectangular bayonet connector. The capacity of the snow foam lance is 750ml. Constructed of solid plastic and brass fittings, it is much lighter, which brings flexible and convenient operation. The snow foam lance can cover and stick the thick foam on the vehicles. The foam sprayer is adjustable and you can adjust the amount and fan of foam as you like. Used in cars, motorcycles, floors, windows, driveways, roofs, siding, etc. Touchless car wash, it saves you time and energy. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.