Perko 0456DP7 1-1/4" Marine Flush Pro Valve
Flush Pro Engine Flushing and Winterizing Valve - 1-1/4 inch - Durable check-valve system is activated by water pressure from a garden hose. Check-valve automatically shuts off hull intake when water pressure is applied. Adapter supplied with Flush Pro makes winterizing your boat easy. Can be used with onboard generators features plastic construction stainless steel spring. Available for standard 5/8 inch, 1 inch, or 1-1/4 inch hose sizes flush your boat engine safely and easily. Transparent body allows direct inspection of water flow.