Flush head screened ½” thru-hull. Made of Marelon by Forespar. Marelon is a glass infused polymer composite that doesn’t corrode. New. $15 Scoop thru-hull strainer, ½” thru hull. Good for engine intake. Made of bronze. Used in good condition. $15 Low profile flush head ½” thru-hull. Made of bronze. Used in good condition. $15 Mushroom head ½” thru-hull. Made of bronze. New. $15 Mushroom head ¾” thru-hull with barbs. Made of bronze. New. $15