Features: 1. Available in a variety of sizes, super water saving, environmentally friendly. 2. Drain button for split toilet tank, made of high quality ABS material. 3. Sealing rubber ring, good elasticity, high density, not easy to age 4. Used for bathroom repair updates. Multi-size optional. 5. Hook locks, strong locking force, strong corrosion resistance, prevent breakage Specification: Material: ABS Size: 18.5cm: 6.5-7.5cm(Inlet diameter), support 19-24cm height water tank 21cm: 6.5-7.5cm(Inlet diameter), support 21-25cm height water tank 25cm: 6.5-7.5cm(Inlet diameter), support 26-29cm height water tank 29cm: 6.5-7.5cm(Inlet diameter), support 30-36cm height water tankincludes:1x Cistern Inlet Drain Button About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.