GEM forged 1.5″ stainless steel, corrosion-resistant thru-hulls are made through a single piece forging process that is revolutionary and path-breaking, to say the least.
- Available in a variety of diameters and sizes
- Specially designed to accept hoses or valves
- Facilitates quick water passage through the hull of your vessel.
- Precise design that allows easy one-man installation.
- Made of electropolished, corrosion-resistant AISI316 stainless steel
- Facilitates endless plumbing possibilities