Replace for Dometic, SealLand, VacuFlush, Mansfield RV Toilets: 506, 510, 511 H, 547, 548, 706, 709, 748, 749, 806, 808, 847, 848, 1147, 1148, 2010, 2011, 5006, 5047, 5048, 5049; EcoVac 146-149; VacuFlush 168, 606, 647, 648, 1006, 1008, 1047, 1048, 1049, 1106, 5146, 5147, 5148, 5149 Note: Not fit for 300, 310, 320 series toilets and not include overflow holes inside the toilet bowl Solving RV Water Leaked: 385311462 rubber bowl leak seal kit used to solve the odor and leakage problems caused by the broken original rubber gasket, making a clean living environment and better outdoor experience Leak-Proof Design: Rubber ball bowl seal ring can effectively avoid leakage, do not have to worry about leakage; allows you to fully utilize the convenience of using an RV toilet 385316140 RV Toilet Rubber Seals Easy to Install: Turn off the water supply, remove the old RV toilet flush seal, clean the edge of the RV toilet, put the Part 385311462 thick seal first and the Part 385316140 later; check for leaks after installation RV toilet flush gasket are made of high quality silicone rubber, ensure that the gaskets will not deform or even crack due to long-term used Replace for Dometic, SealLand, VacuFlush, Mansfield RV toilets. 506+, 510+, 511 H, 547+, 548+, 706, 709, 748, 749, 806, 808, 847, 848, 1147, 1148, 2010, 2011, 5006, 5047, 5048, 5049; EcoVac 146-149; VacuFlush 168, 606, 647, 648, 1006, 1008, 1047, 1048, 1049, 1106, 5146, 5147, 5148, 5149. (Note: NOT fit 300, 310, 320 series toilets and not include overflow holes inside the toilet bowl)