EASY TO INSTALL AND USE:The foam lance can be directly connected with a Karcher K series K2 - K7 pressure washer.Turn the top knob right / closed to get the thickest mixture, adjust the nozzle to get a proper spray pattern, and let it loose.The adjustable snow foam lance can help you accurate mixing and foam generation FAST CLEANING AND TIME SAVING:Compared to the traditional way of washing cars, this foam cannon produces a nice thick layer of foam on the car, helps you clean the vehicle faster and reduces the wash time considerably.Using a snow foam cannon not only let you enjoy a pleasure of car wash, but also have luxury car wash at home PREMINUM QUALITY SNOW FOAM CANNON:Spray nozzles and top adjustable knobs are durable plastics that are not easily broken.Good sealing of the nozzle makes the foam cannon car wash never leaks.The tank of the foam lance is big enough(capacity: 1L), you can wash two sedan cars or one big SUV with one bottle. The bottle has a volumetric scale on the surface so you can clearly see the remaining foam inside the bottle WIDELY APPLICATION:The car foam cannon can be used for Car, Motorcycle Washing, floors,Windows washing, Driveways, Roofs, Siding washing and so on.Ideal for enthusiast or professional use 24-Month Quality Assurance:We provide a 24-month period for replacement or refund in case of any issues with quality. Should you encounter any problems, please reach out to us and we will respond within 24 hours