Pressure washer upstream detergent injector for high psi soap applications includes: 48 In. hose and strainer, adjustable chemical flow, and garden hose connections. Designed to introduce detergents into the water upstream from the pump. 3/4 In. FNPT inlet and 3/4 In. MNPT outlet. 1.5 to 4.0 GPM. 160 degree F. 140 psi.