universal bathroom sink plug our sink drain filter can be used for different types of pop-up filter basket drains. Two silica gel rings ensure perfect fit to various drain holes and meet most American standards; However, please note that the sink drain filter is only applicable to 1.26 inch to 1.65 inch inner diameter high quality and durable material the drain plug is mainly made of high-quality stainless steel and brass. Durable and sturdy. There is no need to worry about rust, cracking, corrosion or leakage. In addition, the high-quality silicon rubber ring between the sink plugs can effectively prevent water leakage. anti blocking different from the ordinary button drain plug, the upgraded pop-up sink drain plug has an anti blocking basket inside, which can effectively prevent hair from blocking the sewer and jewelry from falling in, such as bracelets, rings, etc. easy installation without tools, just take out the old and insert the bouncing core. Because of its simple structure, anyone can install a pop-up drain pipe. Perfect for your sink. But please make sure your sink size In addition, the spring-loaded button design allows you to switch between sealing and drainage by simply pressing the sink plug. for 1.26-1.65 inch drain holes our pop-up drain plugs are very wide and compatible, and are compatible with 99% of American Standard sink drain holes