Flushes contaminates for your lower unit cooling systems. Quickly removes salt and mineral build-up with a simple flush that slips over side water inlets on most inboard and outboard lower units. Install in seconds using just a garden hose. For lower units with side water inlets. No tools required. Easy-to-use.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov