Features: 1Scope of Application: The soap injector allows you to apply soaps or cleaning chemicals at low pressure through your pressure washer. This downstream injector is designed to apply chemical only when running under low pressure (250 psi or less). Note: Please use the large orifice black soap spray nozzle to get the soap injector to work. 2Water Flow Adjustable: The adjustable chemical injector kit for pressure washer features a controlling metering valve which allows you to adjust the dilution ratio and increases your pressure washer's effectiveness. Water flow adjustable range is 2 GPM to 5 GPM. 3Upgraded Construction: Adjustable chemical injector kit is made of stainless steel and brass more durable and long lasting. The downstream injector ensures that chemicals do not run through the pump. It can protect the performance of the pump and allow for a wider choice of chemicals. 43/8 Inch Quick Connection: Chemical injector kit equipped with standard 3/8 inch quick connector/disconnector. It fits between a 3/8 inch outlet pressure washer pump and a 3/8 inch high power washer hose. 5OEM Performance: The adjustable chemical injector kit has max 4500 psi working pressure works great with most brands of pressure washers especially gas powered washers. Work temperature is 32F to 122F (0C to 50C ) suitable for cold and hot water applications. Specification: Item Type:AdjustableChemicalInjectorKitMaterial: Stainless Steel BrassWeight: Approx. 500g / 17.6oz Package List: 1 x SoapInjector2 x Water Tape1 x Accessory