Plumbing Valves descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Split Toilet Drain, Flush Cistern Valve With Two-button.  Features: 1. Life: More Than 100,000 Times 2. Multi-size Optional, Super Water-saving, Environmentally Friendly. 3. Used for Toilet Repair Updates. 4. For Saipan Sealing Rubber Ring, Austrian Stainless Steel Hook Lock, More Resistant to Corrosion and Prevent Breakage. 5. Full/half-row Drain Button is More Water-saving and Made of High Quality ABS Material. Specification: Optional Size: Approx (25cm,29cm) 25cm/9.8inch Toilet Tank Double Flush Valve for Tank Height 26-29cm/10.2-11.4inch 29cm/toilet Tank Double Flush Valve for Tank Height 30-36cm/11.8-14.1inch Suitable for the Diameter of the Drain Port is About 6.5~7.5cm/2.5-2.9inch Inlet Hole Universal British Gauge G1/2 (about 2cm/0.78inch in Diameter) Material: ABS Package List: 1 * Toilet Inlet Valve  . Products number : SOMONO154395