The foam cannon is designed for use on car washers, especially compatible with Krcher Brass K2/K3/K4/K5/K6/K7 high-pressure cleaners.[Main Features] - The soap dispenser bottle produces thick foam on the surface of the vehicle, which makes car washing very easy. Save time and enjoy the cleaning time.[Fine workmanship] - Each foam spray gun is equipped with a stainless, adjustable nozzle and a stable and durable connector to control the pressure of the foam gun. The bottle body is thick, shatterproof and the nozzle is leak-proof.[Large capacity] Capacity is 963 ml, one bottle is full, and 45 cars can be washed. The color of the bottle is very light and it is easier to check the remaining foam inside-If you do not use the foam cannon, you will miss the fun of car washing. It's not just fun, it's faster, it saves time. All you need is a pressure scrubber and car wash soap, then you can enjoy the cleaning.