Sea-Dog Thru-Hull w/Scupper Valve - Injection Molded Acetel [520510-1] Cartography | Garmin BlueChart Foreign Bottom discrimination mode

Bottom discrimination mode

6” spline post

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Sea-Dog Thru-Hull w/Scupper Valve - Injection Molded Acetel [520510-1] Cartography | Garmin BlueChart Foreign Bottom discrimination modeThru Hull with Scupper Valve Injection Molded Acetel This Thru Hull Scupper Valve mounts through the transom and provides a water exit for boats with self bailing cockpits. Ideal for above the water line drainage. Valve features a soft black flapper that seals to prevent backwash. For use with 1 1 2" hose. Compatible with most self bailing applications. Constructed of injection molded acetal. Installs with four #6 FH fasteners (included).