As I recall, they were 2" Bilge hose to the 1 1/2" glassed transom deck drains. I used a glass exhaust reducer.
The same size hose as the Jabsco Macerator Pump.
The Gemlux Flapper thru Hull Suppers were 2" Barbed. If you heat the hose a bit it goes on & off easier, then hose clamp.
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1978 23' Superfish/Potter Bracket 250HP --------
as "Americans" you have the right to ......
"LIFE, LIBERTY and the PURSUIT of a Classic SeaCraft" -capt_chuck
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