Twinkle Star 2 L Cannon 2L Bottle Snow Foam Lance with 1/4 Quick Connector for Pressure Washer Gun Adjustable Foam Cannon with 1/4" quick disconnection fitting. Capacity: 2L. Maximum pressure: 25Mpa - 3600PSI; Maximum flow:15L/min - 4GPM. Requires Pressure Washer to Have 2.0GPM & Over 1000 PSI Pressure for use. Adjustable spray nozzle for accurate mixing and foam generation, adjust the nozzle to get a proper spray pattern (wide to narrow), adjust the knob on the top to control how much water is mixed in and the thickness of the foam spray. Perfect for car cleaning, windows washing, driveways, roofs, siding washing or anything else that needs a deep cleaning. Made of quality brass, designed to last and leak-free. Ideal for enthusiast or professional use.