Boat Marine White 1-1/2" Thru-Hull Scupper With Flapper Valve 1-1/2" Barb,Valve 1-1/2" Barb Boat Marine White 1-1/2" Thru-Hull Scupper With Flapper,Thru-Hull Scupper With Flapper Valve, The popular 3876 scupper mounted to a 3875B 1-1/2" thru-hull as a complete assembly, Made of high-impact corrosion resistant white plastic with flapper valve that opens outward to dump water overboard and closes to help prevent backwash from entering cockpit.1-1/2" Thru-Hull Scupper With Flapper Valve 1-1/2" Barb Boat Marine White.

Boat Marine White 1-1/2" Thru-Hull Scupper With Flapper Valve 1-1/2" Barb

Boat Marine White 1-1/2" Thru-Hull Scupper With Flapper Valve 1-1/2" Barb, Boat Marine White 1-1/2" Thru-Hull Scupper With Flapper Valve 1-1/2" Barb