Package: The kit includes a chemical injector, 3-meter siphon hose, filter, black soap nozzle with 1/4 inch quick connect, and PTFE tape. Usage: When detergent is siphoned separately, chemicals or soap will not pass through the pump, allowing you to use a variety of chemicals without damaging the pump. Feature: Chemical injector kit with a dosing valve, which can adjust the dilution of chemicals and water. Avoid clogging the injector and maintain the efficiency of the pressure washer. Connection: The downstream injector has a universal 3/8 inch quick connect. It connects between the washer hose and the pump. Works with both electric and gas-powered pressure washers. Material: The siphon hose is made of PVC, used for hot and cold water. Max pressure is 4000 PSI. Flow rate is from 2 GPM to 5 GPM. Chemical injector kit Max pressure: 4000 PSI. Flow rate: 2 GPM to 5 GPM. Connection: 3/8 inch quick connect Color: White + Gold Material: PVC Package contents: 1 set