- Complete toilet tank replacement kit including fill valve, ballcock, and flush button for restoring a functional and efficient flush in a tank-based toilet. - Durable construction with high-quality ABS plastic and rubber components; designed to resist cracking or tearing during installation and use. - High-quality toilet valve replacement: reliable water valve for the toilet tank supports a consistent flush and helps prevent leaks, reducing water waste. - Water-saving fill valve: fill valve water amount is fully adjustable to optimize usage and conserve water resources. - Clear, practical features: in-tank kit with essential components for replacement; material emphasis on ABS and rubber; performance focus on leak-free operation and adjustable water flow. - Use scenario 1: replacing a worn-out or leaking flush mechanism in an existing toilet to restore reliable flushing and efficiency. - Use scenario 2: upgrading during maintenance, renovation, or new installation to improve water efficiency and ensure a complete, ready-to-install tank kit. - Use scenario 3: ongoing household use where adjustable fill valve helps tailor water consumption to daily flush needs while maintaining consistent performance.