This Universal Engine Motor Flusher provides a way to connect Outboard and I/O Sterndrives to a freshwater source and effectively flush out sand, salt water, sediment, seaweed, and silt. It helps extend the life of your outboard engine. You can connect these Outboard Motor Muffs to a standard garden hose or an optional quick-connect male adapter end and rubber washer. It Fits most Outboards outboard engines