Modified version basin strainer - perfect fitment - Our basin drain strainers can be used for 99% of basin drain holes. (Inner diameter: 32-38mm (1.25" 1.5inch), whether it is for sink, bathroom drains or shower drains, it can work with all of them. Note: It comes with 2 seals, so if you feel the seal is not perfect during use, you can replace the large size seal. Quick installation: you just need to remove the original drain plug by hand, insert our sink stopper and press the spring switch to easily close the sealing and filtering.Without tools, installation and disassembly can be completed in 3 seconds, making the life easier and more convenient. Popup drain valve: The wash stopper can prevent the sewer from sticking and prevent the appearance of peculiar smell. It does not tip over when you press the button, so you don't have to worry about sealing and draining. Two black silicone gaskets can maintain stability to improve leak resistance. Built-in filter: Unlike traditional drains, this drain sink is equipped with an anti-clogging basket filter suitable for cleaning dirt and can prevent jewelry rings from entering the drain pipe to prevent clogging of the drain pipe. MADE OF STAINLESS BRASS: The drain sink is made of stainless steel and brass and is cast in one piece to effectively prevent rust and corrosion caused by sewer and oil stains. Comes with a thickened silicone gasket.