1.02-1.96 Drain Filter Perfect Compatibility Our sink drains strainers can be used for the different types of pop-up filter basket drainer,(Inner diameter 26mm-50mm (1.02-1.96 inch).It is suitable for more than 99% of the washbasins, bathroom sink drains and shower bathtub drains on the market. NOTE: Make sure your sink drain height of more than 1.67 . .Advance Design High Quality Material The Bathroom sink stopper is designed with a novel bullet core shape. the high-quality silicone ring in between with good air-tightness can effectively prevent water leakage. This basin pop-up drain filter is mainly made of high quality stainless steel and brass material. Its durable enough to be anti-rust, cracking and explosion. Good bounce and rebound strength of the sink drain, it can quickly seal and drain water just with a single press. .3 Silicone Rings Easy to Install 3 high-quality silicone rings provide a perfect match with your sink. No need tool, just take out the old one and insert the strainer core to complete install. The plug avoids the problem of having to replace the entire drainpipe when it is difficult to buy the correct size drain plug. It saves you the hassle of replacing the drainpipe. If you want to clean the sink stopper, just also pull it up to complete easily. .Build-in Basket Stopper Two Modes SwitchingThis push-button drain plug has a stronger built-in anti-clogging filter basket. The basket of bathroom sink stopper could not only catch hair, dirt, but also prevents the loss of valuables,such as jewelry, rings etc. It also has a pop-up design which gently press the top cover to switch between 2 modes - stopper (to keep the water) and strainer (to drain off the water).