Fourinone engine and muff flushing kit for boats 1. Engine cleaner Quickly and easily flushes the engine cooling system Removes materials such as salt, sand, silt, and alkali Includes muffs for boat motor 2. Muff cleaner Built with professionalgrade technology to ensure quality Designed for longlasting performance Marine accessories for boats 3. Motor flusher Professional and practical product for boat enthusiasts Part of marine boat accessories 4. Outboard motor flusher Quick connect hose fitting for easy use Connects easily to a standard garden hose Outboard engine flushing muffs included Key benefits Simple, fast connection to standard garden hose via quickconnect fitting Cleans and protects engine cooling systems by removing corrosive deposits Durable, professionalgrade construction suited for marine use Versatile for outboard engines and marine applications Compatibility and features Designed for marine use with outboard engines Includes flushing muffs for boat motors Safe, straightforward setup with standard garden hose connections Use scenarios After saltwater boating, connect to a garden hose and flush the engine cooling system to remove salt, sand, silt, and alkali During routine maintenance or prestorage, use the flushing muffs and quickconnect setup to clean and protect the engine On the water or in a marina, perform a quick rinse on an outboard engine using the hose fitting and included muffs