Stainless steel surface mount scupper, screw mount

Product Description

Elevate your vessel with the stainless steel scupper flapper assembly, a fusion of polished aesthetics and leak-resistant innovation designed for vertical transoms. Say goodbye to the frustration of rubber flapper scuppers—our hinged flapper with stationary silicone seal ensures a sharp, leak‑free scupper design that outperforms traditional versions.

This one‑piece stainless scupper assembly features a hinged scupper flapper system crafted from marine-grade stainless steel, built to resist corrosion and maintain top-tier performance through rough seas. The 1.625″ larger thru-hole accelerates boat deck drainage and accommodates standard flared brass drain tubes.

Installation is sleek and straightforward—select the screw-mount version for a clean, low-profile fit. Ideal for vertical transoms, this assembly brings a reliable “dry-foot boating scupper” solution to discerning boaters.

Product Specifications

• Flange Outside Diameter: 3.12″

• Flange Inside Diameter (Thru-Hole): 1.625″

• Mounting Screw Hole Centers (c‑to‑c): 2.31″

• Material: Mirror-polished 316 stainless steel (frame and flapper), silicone seal