About This Plumber Approved, Leak Solved: Quick fix for toilet leaking, running Water, and ghost flush! Transform your toilet’s performance with our leak-proof repair kit—specifically designed for toilets with a 3-inch drain outlet. Easily stop leaks, silence running water, and eliminate ghost flushing in minutes. Easy Installation & Adjustment: Easy installation without tools. Adjustable overflow tube to fit different tank heights(11.33"-15.27"), half and full water level adjusters to control water consumption.Endurable chrome ABS, fits dual flush toilet with 48mm mounting hole on ceramic lid. Note: This toilet repair kit with 3-inch flush outlet and dual-flush button is for two-piece toilets only, not one-piece toilets. Before you place an order, please take a look at the product pictures for how to measure the size of the flush valve, we hope our customers can buy a satisfactory product. Water-Saving: The 3 inches dual flush valve provides optional full flush for powerful flushing and half flush for water-saving flushing which reduces your bill. Serving US since 2002: R&T has served the U.S. with quality and reliability toilet repair kits for over 20 years. If you ever have questions, our dedicated customer support team is always ready to help. Overview Material : Acrylonitrile Butadiene Styrene (ABS), Polybutylene Terephthalate (PBT) Brand : R&T Item dimensions L x W x H : 11 x 7 x 4 inches Exterior Finish : Abs,Chrome Inlet Connection Size : 3 Inches Inlet Connection Type : Barb Outlet Connection Type : Barb Number of Ports : 1 Outlet Connection Size : 3 Inches Number of Packs : 1