One Forespar Marelon 3/4” flush head thru-hull, ball valve, and tailpiece. One Forespar Marelon 3/4” flush head thru-hull, seacock valve, and tailpiece All made of strong, non-corrosive Marelon. New, never installed. Price on ball valve setup: $50. Compare with $105 plus plus new. Price on thru-hull setup: $60. Compare with $135 plus plus new. Buy them both for $100