Scupper Valve 70 mm. (THDBS-2B) by Recmar Look no further if you're seeking the most excellent scupper valve for your ship. Choosing the appropriate scupper valve is critical, whether for a new installation or a replacement. Recmar Scupper Valve is designed to keep water out of the scuppers when paddling and drain any water that may come over the side. The one-way valve allows water to drain out of your boat while preventing water from entering through the scupper holes. Key Features: Constructed of durable injection molded nylon It provides a water exit for boats with self-bailing cockpits. It is compatible with most self-bailing applications It is ideal for above-the-water-line drainage. It features a soft black flapper that seals to prevent backwash. Help keep water from entering the scuppers For above waterline drainage Designed for quick and simple installation Product Specifications: Brand: Recmar Condition: Brand New SKU: THDBS-2B UPC: 7.33572E+11 Weight: 0.03 LBS Unit of Measure: EA Manufacturer Part Number(MPN):THDBS2B