FOAM LANCE WITH 1/4" QUICK CONNECT ADAPTER FOR YOUR PRESSURE WASHER. HAS MULTIPLE USES INCLUDING BUT NOT LIMITED TO WASHING MOTORCYCLES, CARS, FLOORS, WINDOWS, DRIVEWAYS, ROOFS, AND SIDING. CAN BE DIRECTLY CONNECTED TO THE PRESSURE WASHER GUN. REQUIRES PRESSURE WASHER TO HAVE 2.0 GPM AND OVER 1000 PSI FOR USE. MAX TEMPERATURE IS 60 DEGREES, AND MAXIMUM PRESSURE 160. CAPACITY: 33 OZ. (1 LITER) CONTAINER BOTTLE. ADJUST THE SPRAY NOZZLE FOR ACCURATE MIXING AND FOAM GENERATION. ADJUST THE SPRAY NOZZLE TO GET THE PROPER SPRAY PATTERN, TO GET THE THICKEST MIXTURE TURN THE TOP KNOB TO THE RIGHT/CLOSED. TIPS FOR USE; FILL THE BOTTLE WITH HOT WARM WATER THEN ADD THE SOAP, THIS HELPS THE SOLUTION MIX TOGETHER. ADJUST THE SPRAY NOZZLE TO FIND THE STREAM THAT WORKS FOR YOU. YOU CAN ALSO ADJUST THE KNOB ON THE TOP TO CONTROL HOW MUCH WATER IS MIXED IN. THE MINUS SIGN INDICATES LESS WATER, SO MORE FOAM IS PRODUCED, AND THE PLUS SIGN INDICATES MORE WATER SO LESS FOAM IS PRODUCED. IF YOU TURN THE KNOB TO MUCH TO THE MINUS SIDE YOU WILL NOT GET MUCH FOAM. SPRAY GUN NOT INCLUDED.