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/Os and outboards. Molded cups deliver fresh water from a garden hose to flush the cooling system through side intakes on the lower unit.Note: Do not use full flow from hose.DescriptionBulk PackagingAftermarket Packaging*Round withplastic body-9372-2Round with metal body-16205-2Dual motor flusher-16208-7WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov