Kärcher 26431470 FJ6 Foam Jet Nozzle with 0.6 L Capacity Foamer for Pressure ...
Kärcher FJ6 Foam Jet. Pour Kärcher detergent directly into the foam nozzle, attach the nozzle to the gun and apply the foam. The detergent Dose can easily be adjusted on the foam nozzle (yellow knob).