FJ 6 Foam Nozzle with extra powerful foam for effortless cleaning of all surfaces such as paint, glass, or stone. Pour Kärcher cleaning agents directly into the foam nozzle, attach the foam nozzle to the gun, and apply the foam. The detergent dosage can be easily adjusted on the foam nozzle (yellow button). The spray angle is adjustable as needed. Suitable for all Kärcher consumer pressure washers from classes K2 to K7. Ideal in combination with Kärcher Ultra Foam Cleaner.