T-H Marine Overflow Drain Tube - 90 T-H Marine Overflow Drain Tubes for Livewells provide a functional way to plumb your livewell. Using an overflow tube means you only need one hole in the livewell and one fitting to serve as both the overflow and the drain. Instead of reaching into the water and getting wet to pull a drain plug, you simply pull the tube out from the top and draining begins. These Push-In Style Tubes feature a tough, flexible vinyl plastic end with a standpipe of white PVC tubi