Material and durability: Made from durable rubber to withstand frequent use and maintain a stable seal over time. Primary function: Seals the connection between the fill valve and the water supply line or internal fill valve components, delivering a tight seal to prevent leaks, supporting proper valve operation, and reducing water waste. Maintenance and cost savings: A reliable seal minimizes maintenance caused by leaks or damage, helping to lower maintenance costs and reduce service frequency. Noise reduction and efficiency: Effectively reduces noise from water flow, improving tank efficiency and contributing to a durable, efficient toilet system. Compatibility and performance attributes: Designed for use with fill valve assemblies to ensure a dependable seal, with emphasis on function, material, and longterm performance. Typical use scenarios: 1) Residential toilet or replacement: Install to stop leaks at the fill valve connection, reducing water waste and protecting the toilet from ongoing minor leaks. 2) Commercial restrooms retrofit: Use in use environments to maintain leak fill valve connections, lowering water usage and maintenance needs. 3) installations or renovations: Implement to ensure a durable seal between the fill valve and supply line, promoting quiet operation and longterm efficiency.