Made from durable rubber to withstand frequent use and maintain a stable seal over time. Key benefits Reliable seal for longterm performance: rubber construction resists wear and maintains a tight seal, reducing the chance of leaks over time. Prevents leaks and saves water: seals the connection between fill valves and the water supply or internal valve components to prevent leaks and minimize water waste. Quiet, efficient operation: helps reduce running water noise and improves overall tank efficiency for a more dependable toilet system. Easy and precise installation: designed for a seamless fit with standard fill valve assemblies, delivering consistent performance. What it does Function: seals the connection between fill valves and water supply systems or internal valve components to prevent leaks and support proper valve operation. Compatibility: designed to fit typical fill valve configurations encountered in residential and many commercial toilets. Material: rubber for durability and reliable sealing. Performance: enhances tank efficiency, reduces noise, and contributes to a durable toilet system. 23 practical use scenarios Home maintenance: a worn seal on a toilet fill valve to stop a slow drip, restore proper valve operation, and prevent water waste. Bathroom remodel or upgrade: swap in the rubber seal during renovations to achieve quieter operation and improved overall efficiency of the toilet system. Commercial restroom retrofit: install standardsize seals to support frequent use, reduce leaks, and maintain reliable performance with minimal maintenance. Specifications and attributes Material: rubber Function: seals fill valve connections to water supply or internal valve components Performance: reduces leaks and noise, improves efficiency Design: precise, ensuring seamless installation and reliable operation Compatibility: suitable for standard fill valve connections and common configurations