Function - Seals the connection between the fill valves and the water supply systems or the internal components of the fill valves to create a tight seal. Benefits - Reduces noise from water flow, improves the overall efficiency of toilet tanks, and contributes to a durable and efficient toilet system. Maintenance and durability - A good seal minimizes maintenance needed due to leaks or damage, lowering maintenance costs and frequency. Installation and reliability - With its precise design, it provides a seamless installation experience and ensures reliable performance. Use scenarios - New construction or bathroom renovations requiring a leak-free seal between the fill valve and the water supply. - Aftermarket replacement or retrofit of toilet fill valves in residential or commercial settings to reduce noise and maintenance. - High-usage facilities where long-term durability and reduced service frequency are important.