Try PVC Board glued to Slim Line vents. Paint & mount. Less than $25. They seat shallow behind the rub rail. No bang damage at the dock. No Corrosion.
Google Attwood 1494F1 Marine Venturi Vent. I think Amazon sells them also.
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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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