[Compatible with KARCHER] - The foam cannon is designed for use on car washing machines, especially compatible with KARCHER K series pressure washers K2/K3/K4/K5/K6/K7. [Main Features] - It keeps your vehicle clean and reduces your cleaning time. It also foams the soap and makes your car covered with a good layer of soapy water, which makes car wash very easy. [Fine workmanship] - Each foam spray gun is equipped with a rust-proof adjustable nozzle and a stable and durable connector to control the pressure of the foam gun. The bottle body is thick, anti-fracture, and the nozzle is leakproof. [Large Capacity] - The capacity is 34 ounces, one bottle is full, and 4-5 cars can be washed. The color of the bottle is very light and it is easier to check the remaining foam inside If you don't use a foam cannon, you will miss the car wash. It's not only fun, it's faster, it saves time. You only need a pressure scrubber and car wash soap, then you can enjoy the cleaning.