A quick and easy way to flush any outboard equipped with a flushing port. No more removing the plug and twisting hoses to flush. Replace the plug with the Quick Flush and snap the hose on and off. Normal operating water pressure keeps the valve sealed when using engine. Check out these features MAKES FLUSHING SALT OR SAND QUICK, EASY & PAINLESS UNIQUE PATENTED SLIDE VALVE REPLACES FLUSHING PORT PLUG "O" RING SEAL CLOSES OFF PORT WHEN OPERATING ENGINE QUICK CONNECT ON HOSE SNAPS ONTO VALVE FOR FLUSHING