50 MM (2 in) WLOCKLT Gooseneck Waterlock Muffler | Vetus WLOCKLT50 Designed to collect all exhaust system water after the engine has stopped to prevent ingestion into the engine. Vetus 2 in. gooseneck waterlock exhaust system For 2 in. (51mm) inside diameter exhaust hose Prevents water backflow in the exhaust system after engine has stopped Install in lowest point of exhaust system Provides additional water mixing to further reduce exhaust noise 7 11/64 in. overall length 5 5/16 in. width 19 3/4 in. height For gasoline or diesel inboard, sailboat and generator applications For use above or below the waterline 3 year warranty Replaces Vetus LT50