The Briggs & Stratton 194426GS Pressure Washer Chemical Injector Kit helps introduce cleaning solution into the water stream for more effective pressure washing. This replacement injector kit connects to the pressure washer system and draws compatible detergent into the water flow during operation. Proper chemical injection supports easier removal of dirt, grease, and buildup from sui... https://www.wholetoolbox.com/briggs-stratton-194426gs-pressure-washer-chemical-injector-kit/194426GS.html