The Everbilt 2 in. Toilet Flush Valve Repair Kit is the complete way to repair tank to bowl leaks and save water. It has all you need to restore the performance of you toilet flush valve. This toilet repair kit includes the water-saving 2 in. flapper, which can be adjusted to maximize water usage per flush. This kit fits most 2 in. two-piece flush valve toilet models. Parts include a replacement flush valve, a 2in. universal gasket and hardware suitable for most 2 and 3 bolt toilet tanks. Repair and replace old valve designs, leaky flappers and cracked or broken designs in one high performance kit. The overflow tube is easily adjustable to fit more tanks. The adjustable flapper controls and optimizes water use to save water. Material: Acrylonitrile Butadiene Styrene (ABS).