Attwood Plastic Thru-Hull Fitting - 1-1/2" - White

The Attwood Plastic Thru-Hull Fitting – 1-1/2" – White is a marine-grade hull penetration component designed for anglers and boaters who demand reliable through-hull installations. This fitting is essential for applications such as raw water cooling, bilge pumps, and drain systems, ensuring a watertight connection between the boat's interior systems and the water environment.

Constructed from durable plastic, this fitting is engineered to resist corrosion from both saltwater and freshwater exposure. Its 1-1/2" diameter accommodates standard marine hose connections while maintaining a tight, reliable seal. The white finish allows it to blend seamlessly with most cabin and engine room aesthetics, and it can be securely mounted directly into hull panels.

Ideal for recreational boaters, commercial fishing operators, and liveaboard enthusiasts, this fitting is perfect for upgrading or replacing existing hull penetrations. Proper installation requires bedding with marine sealant to prevent leaks, making it a straightforward task for those with basic mechanical skills or a qualified marine technician.