This toilet tank seal provides reliable performance with a robust, long lasting design and user friendly installation. Key benefits - Robust PVC construction resists wear and tear, preserving flexibility and sealing performance for long lasting reliability in bathroom plumbing. - Easy to install with a precise three step guide; no prior knowledge or special tools required for efficient self installation. - Proven compatibility with 3 inch flush valves (7.6 cm); delivers a precise fit, fixes common leaks, and ensures consistent flushing through optimal sealing force on every actuation. - Effective leak prevention: seals tank leaks reliably, restores normal flushing quickly, prevents water waste, and lowers monthly operating costs without the need for a plumber. Why this helps - Addresses common toilet leaks by providing a tight seal at each flush, reducing water waste and avoiding costly repairs. - Maintains performance over time, so you can rely on uninterrupted flushing and fewer service calls. Compatibility and performance - Fit: 3 inch flush valves (7.6 cm) - Material: PVC - Installation: Comes with a clear three step installation guide; no special tools required - Function: Restores proper flush performance and prevents leaks to maintain efficient operation Use scenarios - Replacing worn or leaking seals in residential toilets to stop leaks and improve flushing reliability. - Maintenance in rental properties to reduce maintenance visits and prevent water waste. - Renovation or upgrade projects where a standard 3 inch flush valve seal is needed to ensure a secure, leak free seal. Specifications - Material: PVC - Fit: 3 inch flush valves (7.6 cm) - Installation: Three step guide included; no tools or prior knowledge required - Function: Leak prevention and reliable flushing for sanitary applications