Inline Scupper Valve / Check Valve
A great solution to provide a scupper check valve in the drain line. Allows use of standard thru-hull fittings in the cockpit and on the hull exterior.
Prevents Backwash
Chemical Resistant Materials
Thermo-Plastic Flapper
Three sizes available for marine hose: 3/4", 1-1/8", 1-1/2"