MATCC Adjustable Foam Cannon 1 Liter Bottle Snow Foam Lance With 1/4" Quick Connector Foam Blaster for Pressure Washer Gun Adjustable Snow Foam Lance with 1/4" quick disconnection fitting.Capacity:0.22 Gallon(1L) . Requires pressure washer to Have 2.0GPM & Over 1000 PSI Pressure for use.Requires pressure: 70BAR - 1000PSI; Maximun pressure: 200BAR - 3000PSI; Maximum flow:5.3Gpm. Foam Lance core is made of quality brass.The main body is solid brass and is heavy. There are (2) adjustments that allow you to dial-in the sprayer for any situation: top dial is for foam dispensing amount and the nozzle adjusts the spray pattern (wide to narrow). Variable, adjustable spray nozzle for accurate mixing and foam generation.Turn the top knob right / closed to get the thickest mixture, adjust the nozzle to get a proper spray pattern, and let it loose. Multiple use: Car, Motorcycle Washing, floors,Windows washing, Driveways, Roofs, Siding washing and so on.Ideal for enthusiast or professional use.It can be directly connected with the gun on the pressure washer gun. MATCC Pressure Wash Gun Series focus on professional car care parts,provide more professional car wash tools. Easily care your car by yourself. MATCC Foam cannon provide lots of adapters fit for variety of pressure wash machines. Choose and Purchase the adapter your need . ProfessionalCustomer Support respond your question in 24 hours . MATCC Foam Cannon make a Great Foam for washing your vehicles or equipment.You need a pressure washer to connect. The 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. Fill the bottle with hot/warm water before adding soap -- Help your solution mix together. Adjust the spray nozzle first to find the stream of water that works for you. Can be adjusted to spray in a decent fan pattern. Adjust the knob on the top to control water mix in. Minus (-) sign indicates less water (so more foam is produced), the (+) indicates more water (so less foam is produced). With 1/4&#034; Quick Connector, please check your machine before purchase, some garden hose don&#039;t fit. Wash the Foam Nozzle by clean water after using. Avoid the filter is blocked by soap leftover. Requires pressure washer have 2.0GPM &amp; Over 1000 PSI Pressure for use.