Product Made of high quality Material, durable, corrosion resistant, long service life.Press and bounce design, effectively prevent hair, necklaces, rings and other small objects fall into the drain, causing blockage.High quality rubber gasket, good sealing performance, need water storage is not easy to leak. Large diameter drain port, filtering and blocking, fast drainage speed.Simple installation, no tools, quick installation, plug and play, convenient and fast. Removable design for easy cleaning.Common in caliber sink drainer, can be used for any type of sink.Specific Functions:1.Inner Diameter of Drainage Hole: 34mm-40mm.2.Bounce-up drain filter design subverts traditional and inconvenient drainage methods.3.You can switch between the two modes, plug (water storage) and filter (water drainage), just by lightly pressing the top.4.Just take out the old sink drain stopper and insert the bouncing core.The main parameters:Name: Basin Press Filter Element.Material: ABS.Type: Bounce Type Packing list: 1PC*Basin Press Filter Element.Notes:1. Due to manual measurement, please allow an error of 0-1cm. Please make sure you dont mind before bidding.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!3. If you have any questions, you can contact me at any time, we will give you the best service.