Live Well Overflow Drain Overflow tube 90 injection moulded drain fitting installs in base of live tank for connection to through hull with minimal space requirement under live tank The plastic and PVC overflow tube is fitted into drain fitting to keep livewell water depth at desired level Grate at top of overflow tube prevents catch or live bait from blocking overflow tube To empty live tank remove the overflow tube Over flow tube is 450mm long but can be cut down as required Tube and drain purchased separately