Attwood White Plastic Thru-Hull Fitting — 1-1/8" Inner Diameter combines durable thermoplastic construction with a seaworthy design to resist electrolysis and deliver dependable performance above the waterline. Built from polypropylene, this white thru-hull connector offers a clean, low-corrosion solution for modern boats and DIY projects.
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Hose Size: 1-1/8" Inner diameter
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Stem Length: 3-1/4"
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Max Hull Thickness: 1-1/4"
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Flange Diameter: 2-1/4"
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Installation Hole Size: 1-3/8"
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Drain Plug: 7/8"
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Construction: Polypropylene
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Color: White
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Installation Note: Designed for installation above the water line only
Manufactured by Attwood Marine, this thru-hull fitting is a reliable upgrade for boats requiring a sturdy, electrolysis-resistant connection. Part No: 3874-3 • UPC: 022697387431.
Ideal for hulls up to 1-1/4" thick, this white plastic thru-hull connector provides a secure, watertight seal when mounted above the waterline, making it a smart choice for replaceable fittings or new installations on a wide range of vessels.
