T-M Marine 90-Degree Cockpit Scupper Drain - White [CSD-92-DP]90 Degree Cockpit Scupper Drain White This cockpit scupper drain is an affordable and durable solution for draining areas below the waterline. Made from high strength, UV stabilized polymer, it features a check ball for effective sealing against reverse water flow and an optional leaf guard to prevent clogging. This cockpit scupper drain provides an inexpensive alternative to items currently available for draining areas where the discharge is below