YAJU High-quality materials- Foam creator made of stainless steel,Orifice Nozzle Tips made of brass.Durable and not easily damaged. Easy to use-The orifice is designed with threads for easy installation and removal. They assembly inside foam cannon for foam generation. They creates thick foam suds that stick to your car. Foam production principle- our foam maker is made of thinner and more stainless steel wire compression, Foam creator Mixing water with soap produces foam. Pressure: 3000 PSI. Scope of applicationThis product very suitable for family use and also suitable for use in car wash shops. Product Specifications 1.Foam Maker Material: stainless steel Diameter 0.61 x Height 0.41 inch High pressure: up to 3,000 PSI 2.Orifice Nozzle Material: brass male screw, about 0.28 inch fitting, Orifice Size 1.1 mm High pressure: up to 3,000 PSI How to replace Foam Maker 1.Pull the inner core out of plastic coat. 2.Pull out the plastic coat and find the foam maker. 3.Replace with new foam maker. 4.Install the Plastic coat and inner core. How to replace Orifice Nozzle 1.Unscrew 1/4 inch quick connector plug. 2.Unscrew foam cannon nozzle with slot screwdriver. 3.Screw new foam cannon nozzle. 4.Screw 1/4 inch quick connector plug. Notice When your foam cannon works not very well as before, maybe your foam cannon orifice tips damaged or blocked. Try to replace it with new one and your foam canon will recover. Color: Brasssilver Product List: 2*Foam Maker 2*Orifice Nozzle