Universal Toilet Flush Valve Replacement Kit, Height Adjustable Fill Valve with Threaded Flow Control Knob, 2-Inch Red Flapper, Quiet Water-Saving Toilet Repair Kit Inside Tank

["Universal Compatibility: This toilet flush valve replacement kit fits most standard US toilets. The fill valve height can be easily adjusted to match different tank sizes, and the threaded adjustment knob allows precise water level control, ensuring a perfect fit and optimal flushing performance.","Enhanced Toilet Performance: Quickly fix slow-filling, noisy, or continuously running toilets with this high-performance flush valve kit. Its smooth, reliable operation reduces noise, restores efficient water flow, and improves overall flushing power, making every flush quick, quiet, and effective.","Water-Saving and Customizable: The threaded knob on the fill valve allows precise control of tank and bowl water levels, optimizing flushing performance while conserving water. Adjust each flush for efficiency without compromising cleaning effectiveness.","Durable, Leak-Resistant Design: The included 2-inch red flapper is made of corrosion-resistant, flexible rubber for superior sealing, preventing water leaks and ensuring reliable operation. The silver metal fill valve provides added stability, strength, and corrosion resistance, maintaining consistent performance even under frequent use.","Easy Installation: The kit includes 1 fill valve and 1 red flapper, providing the essential components for a quick upgrade. Simply remove the old parts and replace them with this kit in minutes for a quick and hassle-free toilet improvement."]