Material and construction Made from durable silicone for longlasting performance and reliable sealing in toilet tanks. Key benefits Easy installation across a wide range of toilet tank brands, reducing downtime and replacement hassle. Provides a tight seal for toilet tank valves, helping prevent leaks and improving overall water efficiency. Designed for longterm reliability in both residential and commercial environments. Ideal for maintenance, , and routine upgrades as part of a comprehensive plumbing toolkit. Compatibility and performance Broad compatibility with many common toilet tank brands and valve diaphragms. Built to deliver consistent valve sealing and stable tank performance over time. A dependable accessory to support preventive maintenance and timely repairs. Applications and scenarios Residential bathroom or upgrade: a worn diaphragm to stop running toilets and improve refill efficiency in a standard home toilet. Commercial restroom maintenance: quick, reliable diaphragm replacement in hotel, office, or school restrooms to reduce water waste and downtime. Plumbing toolkit upgrade: standard inclusion for DIY enthusiasts and professional plumbers to streamline service calls and recurring maintenance tasks. Specific attributes Function: seals valve diaphragms to maintain toilet tank performance and water efficiency. Compatibility: designed to fit a broad range of toilet tank brands and common valve configurations. Size: engineered to fit common diaphragm openings in standard toilet tanks (no brandspecific sizing required). Material: silicone for durability, flexibility, and resistance to wear over time. Performance: delivers consistent sealing, reduces leaks, and supports efficient tank operation.