6" stainless steel rectangular scupper

Product Description

Upgrade your vessel with this 316 stainless steel scupper, a polished marine-grade transom drain designed for both form and function. 

Crafted from heavy-duty 316 stainless steel, this transom scupper replacement delivers superior resistance to saltwater corrosion—ideal for discerning boat owners wanting long-lasting, corrosion‑resistant scupper hardware.

The polished marine scupper conceals its four mounting screws with an integrated frame, preserving sleek aesthetics while providing the strength and durability required in marine environments. Its elegant transom scupper design includes a free-swinging flapper door with a built-in silicone seal, preventing backflow while enabling efficient drainage.

With a 10° angle, the one‑way drainage flapper ensures reliable operation under minimal force—perfect for keeping your deck dry. Installation is streamlined for both professionals and DIYers, as the quick install scupper arrives with instructions for ease of fitting.

Ideal as a boat scupper upgrade, this stylish boat drainage solution fits transom drain openings up to 6″ wide and 2.5″ tall, making it a versatile scupper for transom drain 6″ across various boat models.

Product Specifications 

• Overall Width: 8″

• Overall Height: 3.8″

• Drain Opening: 6″ W × 2.6″ T

• Mounting Screw Spacing: 6.5″ (width) × 1.4″ (height)