Compatible 2 Types of Pressure Washers- The snow foam cannon is with 1/4 quick connector, can be used for 1/4 quick connector pressure washer accessories. The snow foam lance with 1/4 connector with adapter is compatible with Karcher K2-K7 series pressure washer gun. Thick foam - You just need to fill the lance bottle in foam with a car wash and lukewarm water for a ratio of 1:4. (20% car wash + 80% water is recommended), which can produce a thick layer of foam on the surface of the car. Pressure range: 100BAR - 220BAR (1400PSI-3200PSI). Easy to Use- The snow foam lance soap dispenser bottle is compatible with Karcher K2 series pressure washer gun- K7, and you can adjust the amount and shape of the water jet by adjusting the knob. Widely Application- The 1L pressure washer foam bottle can be used for cars, cars motorcycles, floors, windows, driveways, washing siding, etc. It is an ideal time-saving choice and the best gift for your family. After-sales Guarantee- If you are not satisfied with the products and services, please feel free to contact us. contact immediately, we will serve you until you are satisfied. One year warranty provided