Boat Scupper Drain with Flapper Corrosion-Resistant Boat Scupper Drain with Ball Self-Bailing Valve Leak-Proof for Yachts, Boats

Product Identity: This premium marine accessory is a round boat drain valve designed to manage water drainage efficiently on your vessel.

Primary Function: Serving as a reliable scupper valve, it allows water to exit the vessel while preventing external water from entering.

Key Features: This anti-backflow valve features a sturdy white ABS plastic outer flange paired with a flexible black central flap for a secure seal.

Installation Design: Engineered as a screw-mount drain valve, it includes four pre-drilled 4 mm screw holes for a straightforward and secure mounting process.

Compact Dimensions: With a total diameter of 71.3 mm and a slim thickness of 8.4 mm, this compact valve fits neatly over standard marine drainage outlets.