Perko Flushpro, Part No. 01025F Valve with 1-1/4” Hose Barb

Now flush your boat engine or generator safely and easily. Flusher valves are transparent so you can monitor water flow. A durable check valve system activated by water pressure from a garden hose and the check valve automatically shuts off hull intake when water pressure is applied. Check valve prevents water from entering boat even if you forget to replace the flusher cap after flushing.