Overflow Style: This pop up drain with overflow is a good choice for sinks with overflow. Fits standard US bathroom sink with 1.65-1.97 inch drain hole.please check the size of the sink hole before purchasing Anti-clog: The drain filter with anti-clogging function comes with an anti-clogging basket. It is easy to disassemble and clean. The basket can prevent hair from clogging, and effectively block and protect valuable items from being lost Easy to install: Pop-up sink drain is simple in structure, no tools required, you just need to place the washer and screw on the nut, easy to install without hassle Premium Material: The pop-up drainpipe is made of stainless steel. Stainless steel is a durable and rust-resistant material that ensures the longevity and reliability of the drainpipe Leak Prevention: The sink drain is accompanied by a high-quality thickened washer. This washer can effectively resist oxidation for a long time. It fits more closely with the sink downspout, thus avoiding leakage troubles Please contact us if you have any problems or suggestions visa Amazon,you will get reply in 24 hours.