Ensures leakproof toilet with our Toilet Fill Seal Replacement, craft from rubber to provide long time durability and . for sealing, this seal effectively prevents water leakage, maintaining dry and hygienic bathroom . For homeowners, landlords, and enthusiasts look to maintain their toilets efficiently without professional help. For use in family bathrooms, rental properties, hotel, and during home renovations to ensures the toilet tanks functions daily use. This easy to installion replacement part is accessory with 83143 and Fluidmasters models 242 and 747, making it addition for various toilet systems.