General description 4PCS RV Toilet Rubber Bowl Leak Seal Kit designed to replace seals for Sealand and VacuFlush trailer toilets. This kit includes 2 pieces of model 385311462 and 2 pieces of model 385316140, ensuring a reliable seal to prevent leaks. Technical specifications Color: Black Material: Silica gel Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with most pedal-flush Dometic/Sealand/VacuFlush and Travel Trailer toilets without overflow holes Fits models: 506, 509, 510, 511, 511H, 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 Usage These seals are made of high-quality rubber, designed to keep water in place and odors out. They provide high performance, softness, anti-friction properties, and good tightness to ensure proper sealing without leaks. Other information Note: Light reflection and