Cast Thru-Hulls

Our stainless steel, corrosion resistant thru-hulls come in a variety of diameters and sizes and are specially designed to accept hoses or valves to allow water to easily pass through the hull of your vessel. GEM thru-hulls also offer a design that allows one man installation.

  • Barbed connections
  • Threaded connections
  • Short and long models to fit most applications
  • 90-degree models available
  • Hose, and valve connections
  • 1/2" thru 2" threaded and 5/8" thru 2" barbed, see below for options