Thru-Hull Scupper Part Number 3881-1

The popular 3876 scupper mounted to a 3875B 1-1/2" thru-hull as a complete assembly. Made of high-impact corrosion resistant plastic with rubber flapper valve that opens outward to dump water overboard and closes to help prevent backwash from entering cockpit. Hose ID is 1-1/2". Overall length is 6-1/4". Maximum hull thickness is 2-5/8". Overall diameter is 2-7/8". Installation hole diameter is 2". White.