[ Universal Size ] pop up Sink Plugs can be used for the different types of pop-up filter basket drainers. There are three built-in rubber rings, which can be adjusted according to the size of the drainage hole. Suitable for drain holes with an inner diameter of 28-58mm.[ Upgraded design of bathroom sink strainer ] bathroom sink filter is more convenient and useful than an ordinary sink stopper. The upgraded Stainless Steel Bounce Core Push-Type drain stopper has an anti-clogging basket inside to prevent the sewer from getting stuck in the hair. In addition, it also comes with a non-slip rubber pad and two large and small rubber rings to prevent water leakage.[ Basin pop-up drain filter is easy to install ] anyone can install the pop-up sink drain stopper, because it has a simple structure and does not require any tools, just take out the old one and insert it. If you want to use it for larger sink hole diameters, you can use the built-in rubber ring to increase the inside diameter of the sink plug.[ High-quality materials ] The drain stopper is mainly made of high-quality zinc alloy materials, rust-proof, anti-crack, and integrated. The rebound strength is good, rapidly draining and quickly sealing water.[ Robust basket stopper ] Our built-in rubber ring around the basket can maintain stability and will not tilt when the button is pressed. There is a large non-slip pad under the bouncing core, which can seamlessly cooperate with the sink drain under the action of water pressure. So you don't have to worry about sealing and drainage.