Height Adjustable 47-57 mm, waterproof: sink, toilet, height adjustable bathtub stopper.It is easy to install and use.The bathtub stopper is equipped with a sealing ring that does not leak. Application: This is a replacement accessory for household bathroom drain pop-up socket.Will fit most POP - up tub waste.For most bathtubs, sinks and bathtubs.Note: Please measure the diameter of the drain hole before purchasing and make sure the bathtub fits your sink drain. Easy to install and clean: new design, easy to install and disassemble so you can easily clean your hair and anything messy.The overall design is simple, seamless, more convenient and free to clean the bathtub stopper.Without tools, simply remove the old bathroom sink filter and insert a new filter to complete the installation.The sink stopper is easy to clean. High Quality Material: The updated general purpose bathtub drain plug and drain cover are made of high quality brass and no bright finish for high strength and reliable use.High quality brass is not easy to rust.The bathtub drain plug can withstand water temperature from 100 to -50 degrees after CNC Lathe machining, fine polishing, and then electroplated with three layers of nickel - chrome! Dimensions: the bath drain and the bath cover have a diameter of 72 mm.