Usage Tips:Universal Compatibility: Designed to fit a wide range of toilets, this kit includes a versatile 2-inch toilet flapper suitable for 1.6 to 3.5 gallons per flush systems. It addresses common toilet fill issues, making it ideal for DIY upgrades with a straightforward installation process. Long-Lasting Durability: Crafted with chlorine and hard water resistant materials, our toilet flapper ensures a leak-free seal. The flexible rubber construction and stainless steel chain are engineered for a perfect fit, reducing water wastage by optimizing flush volumes. Simple Installation: Replace your old toilet components in about 10 minutes with our easy-to-install kit. This complete solution revitalizes your toilet's efficiency and performance, making it a practical choice for quick home improvements. Quiet and Efficient: Our toilet fill valve kit not only reduces noise but also speeds up water intake. Adjustable settings allow you to control the water level and refill rate, ensuring a powerful flush and water conservation. Enhanced Water Efficiency: Save on your water bills with our efficient fill valve kit. It's designed to quickly fill the tank to the correct level, preventing any leaks or excess water use, and maintaining optimal performance in all conditions. The actual product may have slight color difference or difference, which will not affect the use Colour:Photo Color Material:plastic Package Contents: 1 x Toilet Fill Valve 1 x Toilet Flapper Replacement Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.