Attention: Max pressure is 3200PSI. Pressure washer downstream chemical injector kit includes chemical injector, 10 feet tubing (siphon hose), filter and black soap nozzle. | Used to siphon detergent out of separate container. The chemical or soap runs after pump, which will not damage pump. Great for cleaning or spraying. | Control metering valve to adjust dilution ratio of chemical and water. Chemical-resist and poly strainer reduces injector clogging. | The soap injector is equipped with a universal 3/8’’ quick disconnect, which facilitates effortless and quick installation. It is designed to seamlessly connect between the pressure washer pump and the hose, enabling efficient mixing and dispensing of soap during the cleaning process. | Flow rate is from 2 GPM to 5 GPM. Works with most brands of gas and electric pressure washer, cold and hot water pressure washer.