Marine City Nylon Thru-Hull Fitting with 316 Stainless Steel Trim & Flapper

The Marine City Nylon Thru-Hull Fitting with 316 Stainless Steel Trim Cover is engineered for durability, corrosion resistance, and reliable water drainage in marine environments. Constructed from high-quality marine-grade nylon, this thru-hull fitting is designed to withstand prolonged exposure to saltwater without cracking or degrading.

The mirror-polished 316 stainless steel trim cover enhances both protection and appearance, offering superior corrosion resistance compared to standard stainless steel. The integrated rubber flapper helps prevent water backflow, improving onboard safety and drainage efficiency.

Designed for quick and straightforward installation, this fitting requires no complicated mounting or additional screws. Its precision sizing ensures a secure fit for marine drainage systems, making it ideal for boats, yachts, and other marine vehicles.

Whether you're upgrading your boat’s drainage system or replacing an old thru-hull outlet, the Marine City Nylon Thru-Hull provides long-lasting performance, clean aesthetics, and dependable marine functionality.

Key Features

• Durable marine-grade nylon construction

• Mirror-polished 316 stainless steel trim cover

• Integrated rubber flapper to prevent backflow

• Quick, simple installation – no complex mounting

• Corrosion-resistant for saltwater environments

• Ideal for boats, yachts & marine vehicles