Widely Compatible: The boat self draining scupper replaces older 3/4-inch to 1-1/2-inch scupper outlets and is compatible with most boat models
Efficient Self-Draining: Self-draining ball in marine ball valves enables highly efficient drainage, prevents water accumulation, and ensures a dry and safe cabin. Its automatic sealing effectively blocks debris and prevents backflow
One-Way Valve Mechanism:Marine self-draining ball drain valve function as both drain valve and check valves, allowing water to flow out while preventing backflow
Leakproof Seal: The boat drain scuppers valves is made of PVC, polycarbonate and polyethylene ball. This robust combination ensures corrosion resistance and a reliable, leak-proof seal that automatically responds to water pressure, keeping your bilge dry without backflow