BLA SURFACE MOUNT SCUPPER

Scupper Valve Designed as a water exit for boats with self-draining cockpits. Scupper mounts over flush transom drains above the waterline. The rubber flapper opens to dump water out and closes to prevent backwash. Tough acetal mount flange. BLA Code Diameter OD mm ID mm Mount Screws mm 138814 70 38 4 c/s