- Made of brass and stainless steel for corrosion and fade resistance, delivering durable performance in harsh cleaning environments. - Includes a screw-in valve for secure, controlled chemical flow during operation. - Complete kit includes chemical injectors, 10 ft siphon hoses, a filter, and a 1/4 inch quick-connect to attach the black soap nozzle. - Maximum operating pressure up to 4000 psi, suitable for most high pressure washers. - Injectors are clearly marked with arrows; install them only in the correct orientation and never backwards. - Compatibility and connection: designed to work with standard 1/4 inch quick-connect fittings and common pressure washer accessories. - Practical uses: - Residential driveways and patios: inject soaps or cleaners to improve dirt and stain removal without manual mixing. - Vehicle washing: apply vehicle detergents efficiently while maintaining high-pressure rinsing. - Exterior surfaces: clean siding, decks, or fences with integrated chemical dosing for better cleaning results. - Package contents and performance note: includes chemical injectors, 10 ft siphon hoses, filter, and 1/4 inch quick-connect for seamless attachment to the black soap nozzle; ensure correct orientation of the injectors as indicated by the arrows.