Precise design enables seamless installation and reliable performance. Effectively reduces water flow noise, increases overall tank efficiency, and contributes to a more permanent and efficient toilet system. seal minimizes maintenance requirements caused by leaks and damage, reducing maintenance costs and frequency. Main function: Seals the connection between the fill valve and the water supply system or internal components of the filling valve, ensuring proper valve operation and a tight seal to help avoid water waste. Use scenarios Replacing a worn seal in a toilet that runs or leaks to stop water waste and restore quiet operation. Installing during a toilet setup to ensure proper valve operation and a secure, leak seal. Routine maintenance in commercial restrooms to reduce noise, prevent leaks, and improve overall toilet system efficiency.