liSM New designThe drain is optimized and improved on the basis of ordinary pipelines. It is suitable for drainage holes with an inside diameter of 32 to 38mm to avoid common problems such as inconsistent size and insufficiency. It fits most homes. Quick installation: just remove the original drain plug by hand, insert our sink plug and press the spring switch to close easily the cap and filter. Without tools, installation and disassembly can be completed in 3 seconds, making life easier and more convenient. Pop-up drain valve: the sink can prevent sticking of the duct of waste water and avoid the appearance of a particular odor. It doesn't turn around when you press the button, so you don't have to worry about closing and emptying. Two black silicone gaskets can maintain stability to improve leak resistance. Built-in filter Unlike traditional plumbing, this sink is fitted with an anti-clog filter which is suitable for cleaning up dirt and preventing dirt and other objects do not enter the drain hose, in order to prevent the drain hose from being blocked. Stainless steel and brass - Stainless steel and brass sink drain - One-piece shape to effectively prevent rust and corrosion caused by wastewater and oil stains. Comes with a thick silicone gasket.