Marine Drain Flap Replacement Scupper Valves Flapper for Marine Drainage This marine side drain valves baffle repair includes repair materials designed to withstand harsh marine environments for a long time, which can withstand sunlight, salt sprayings, and extreme temperatures, thereby extending the service life of the drainage system When drainage is required, the baffle will quickly open, allowing the water inside the ship to be discharged through the drainage outlet, which helps maintain the stability and safety of the vessels. Remove the old drain baffle and fasteners, clean the installation area of the baffle inside the drain board, and install the baffle into the screw holes of the ship's drain. Remove the old drainage outlet baffle and fasteners, clean the baffle area inside the drainage plate, and install the baffle into the screw holes of the ship's drainage outlet. Using a marine drainage valves baffle repair for maintenance is more cost-effective than replacing the entire drainage system, while also reducing maintenance and downtimes. Marine Drain Flap Replacement Scupper Valves Flapper Includes two 1.87-inch and two 1.57-inch baffles. For Marine Drainage Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Color: As Shown Material: plastic Package Contents: 1*Marine side drain outlet baffle repair kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.