Plastic straight hull.
Plastic is cheaper than metal fittings, and can be used for galloys and bilge drains.
Cannot be used underwater. For use on waterline only. If you plan to install the thruhull in the water, we recommend a metal hull.
Hose Diameter: 0.7 inch (19 mm) (3/4 inch), Flange Diameter: 2.0 inches (50.5 mm), Length: 3.1 inches (80 mm)