Basin strainer modified version - Perfect compatibility - Our sink drain strainers can be used for 99% of sink drain holes. (Internal diameter : 32 to 38 mm (1.25" 1.5 inch), whether for sink, bathroom drains or shower drains, it can work with all of them. Remark: It comes with 2 seals, so if you feel the seal is not perfect during use, you can replace the large seal. Quick installation: just remove the original drain plug by hand, insert our sink plug and press the spring-loaded switch to easily close the sealing and filtering. Without tools, installation and disassembly can be completed in 3 seconds, which makes life easier and more convenient. Popup drain valve: the washing plug can prevent the sticking of the sewer and prevent the appearance of a peculiar smell. It doesn't tip over when you press the button, so you don't have to worry about sealing and emptying. Two black silicone seals can maintain stability to improve leak resistance. Integrated Filter: Unlike traditional drains, this drain sink is equipped with an anti-clog 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 molded in one piece to effectively prevent rust and corrosion caused by sewer and oil stains. Comes with a thickened silicone gasket.