ITEM NAME:Pressure Washer Chemical Injector Kit Adjustable Soap Dispenser, 3/8 Inch Q B5E1 Pressure Washer Chemical Injector Kit Adjustable Soap Dispenser, 3/8 Inch Q B5E1 filter that goes into the chemical container, which allows you to use a wide variety of chemicals without harming your pump This pressure washer soap injector kit works with any pressure washer 1500-4000 PSI with 3/8.inch quick connection fittings. It fits between a 3/8 inch pump outlet and 3/8 inch high pressure hose. The soap dispenser kit features a screw-in valve which allows you to adjust the dilution ratio and increases your pressure washer's effectiveness. Solid construction -the downstream injector is heavy duty to last a long time. Adjustable flow - increase or decrease the amount of chemical as needed Screw-in valve to positively shut off flow Allows for a wider choice of chemicals 3/8 inch quick connect 4000 PSI maximum at 2-5 GPM 10 feet of hose with filter goes into the chemical container Rated PSI: 1600-4000 PSI Min GPM: 2 Max GPM: 5 colour:As shown in color Material:Plastic + brass + stainless steel size:Hose: 3 meter Inflow: 3/8 inch Threaded(Male) Outflow: 3/8 inch Threaded(Male) Package Contents: 1 x Chemical Injector 1 x 10 ft siphon hose with filter 1 x 3/8 inch female snap coupler 1 x 3/8 inch male snap coupler 1 x soap nozzle 2 x Teflon Tapes NOTE: if your power washer or hose has M22 or 1/4 inch connections, please purchase a coupler adapter individually. Pay attention to the direction-of-flow arrow on the injector and do not install it backwards.