Providing anglers with reliable connections above the waterline, Attwood's polypropylene thru-hull connectors are a critical link in safe and reliable operation of onboard plumbing systems. Thermoplastic construction is highly durable and eliminates the potential for rust or electrolysis. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.