Everbilt 3 in. Universal Toilet Adjustable Flush Valve with Flapper #A21026 Interior plastic packaging has been torn and retaped. Bolts/nuts in original sealed packaging. No evidence of previous installation. Box is slightly worn due to shipping/handling. Everbilt Universal 3 in. Flush Valve Kit, comes with stainless steel bolts and rubber gasket to enhance your toilets installations. This easy to install model fits most common 3 in. 2-piece toilets. It is widely used to Repair, replace and upgrade outdated valve designs and leaking toilet flappers or low flush rate flappers in one complete toilet repair kit. The flush valve overflow tube is easily adjustable to fit various tank heights and cross sections and effectively save your water consumption. Built with quality and a long life in mind, the flapper includes a chlorine resistant silicone seal and the kit is constructed from corrosion resistant materials. Fix your leaking tank and replace your outdated flush valve and flapper with this 3 in. toilet flush valve kit Adjustable overflow height to fit various tanks design Easy to install and fits most common 3 in. toilet flush valve HET models Robust quality, built to last with corrosive resistant material and a durable silicone seal Do not use in-tank drop-in toilet bowl cleaners containing bleach or chlorine or any detergent containing chemical composition Adjustable flapper to set customized flush volume without lifting the flapper