Attwood Motor Flush Large Rectangle - Quickly flushes away salt, sand, silt, and alkali to prevent clogging and corrosion. The flusher attaches easily to an ordinary garden hose. Reinforced polypropylene. Self adjusting clamping yoke fits most domestic or imported I/O sand outboards. Molded cups deliver fresh water from a garden hose to flush the cooling system through side intakes on the lower unit. Prop 65: [DEHP]