Crafted from durability rubber, these seals are specifically designed for 83143 and Fluidmasters 200 / 242 / 400 / 747 models, ensuring leak, noise reduction, and proper water levels maintenance without replacing the entire fill adapter This 6 piece premium toilet fill adapter seals set provides a cost effective solution for multiple repairs or household backups, leaks and saving up to 10, 000 gallons of water annually per homes Ideal for homeowners and enthusiasts who need reliability backups for frequent toilet maintenance, this set convenience and efficiency for everyday plumbing upkeeps Use these seals to quickly fix toilet tanks leaks in residential bathrooms, restoring functionality and water conservation with minimal effort during routine repairs Enjoy seamless compatibility and simple installation with these good rubber seals, enhancing your plumbing systems longevity and for year to come, Manufacturer: ZYKEJJDDAK