Sea-Dog Thru-Hull w/Scupper Valve - Injection Molded Acetel [520510-1] Brand_PSS Shaft Seal Use above and below water

Use above and below water lineResists salt water

Covers popular fishing frequencies of 88 and 107 kHz plus everything else in the bandwidth

Mounting Hole: Accept #10 (M5) Screw

No springs

Pin diameter: 5/16"

Sea-Dog Thru-Hull w/Scupper Valve - Injection Molded Acetel [520510-1] Brand_PSS Shaft Seal Use above and below waterThru 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).