Compatibility: the snow foam is designed for use in car washing machines and perfectly compatible with for K series K2/K3/K4/K5/K6/K7 pressure washer accessories. Easy to use and install: Pour some soap into a foam bottle filled with warm water and use a standard adapter to connect an electric pressure washer . Finally, turn the top button to adjust the desired amount of foam. The button adjusts the amount of foam released. Our snow foam cannon has a 360° adjustable nozzle and an upper rotary knob. Excellent craftsmanship: and high pressure foamable. nozzles and top adjustable knobs are made of plastic that does not break easily. The tank of the foam is large enough (capacity 1L), so you can wash two sedans or one large SUV with one bottle. Quick cleaning and time saving: Compared to the conventional type of car wash, this foam cannon creates a beautiful thick foam layer on the car, helps you clean the vehicle faster and significantly shortens the washing time, ensuring excellent and