T-H Marine Push-In Plug For 1-1/2" Thru-Hull Drains" 

These push in plugs are used to stop water flow through drains or overflows from baitwell or livewell. Also work well as plugs for sink drains and built in cooler drains. These plugs are injection molded of marine grade PVC for a long lifespan. Plugs feature a pull tab or pull ring for easy removal. They have double seal rings to assure positive sealing.