When it comes to replacing marine thru hulls on your boat, Forespar has you covered. Forespar thru hull valves made with Marelon offer zero corrosion, zero electrolysis, and very little added weight while still creating an exceptionally strong marine grade fitting you can depend on both above and below the waterline. The next time you need to replace a thru hull as part of your regular boat maintenance, consider Forespar Marelon thru hull fittings from Fisheries Supply! To see our complete offering of Forespar products, click
here.