Quick disconnect design makes it easier than ever to flush out your machine, no more water mess in your hull from screwing and un-screwing the garden hose inside the machine. This quick disconnect flush kit comes with a valve that only allows water flow through it when connect to the ski. ALLOWS YOU TO RUN YOUR MACHINE ON A GARDEN HOSE WITH THE QUICK DISCONNECT FITTING AND FLUSH OUT ANY HARMFUL DEPOSITS LEFT IN YOUR COOLING SYSTEM BY LAKE/ OCEAN WATER. FITS ALL 03-04 KAWASAKI 4 STROKE MODELS