Used detergent injector.
Kärcher Vehicle Wash and Wax, Pressure Washer Detergent - Pressure Washer Soap f
T6 for Pressure Washer, T6 Spray Nozzle Pressure Washer, Downstream Injector Kit
Kärcher Pressure Washer, Detergent Tank, Start/Stop Foot Switch, Onboard Storage Container, 3 Spray Nozzles, 1.46 GPM Max - for Cars, Decks, Patios, Driveways and Siding - K1800PS
190593GS Pressure Washer Soap Injector Kit Fits Briggs Stratton Homelite Ryobi
Pressure Washer Soap Injector Kit 190593GS 190635GS Fits Briggs Stratton
Erie Tools 3.1 GPM 3000 PSI Triplex Pressure Washer Pump for Cat General AR MITM