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Free shipping When you spend $149+

Marine Plumbing & Ventilation - Thru-Hull Fittings

Here at Royale-Seas, we have high-end products in the area that you like the most. Thru-Hull is a term used to describe an accessory that is attached through the hull of a boat. A through-hull fitting requires a hole to be cut/drilled in the boat's hull for the fitting to pass through. Some examples of thru-hull accessories are a seacock and a hose and thru-hull transducers. See our catalog for more information.