High-quality, durable materials: The universal sink stopper is equipped with a pop-up mechanism for easy drain operation. The filter basket is made of thick stainless steel, which is high-quality and crack-resistant. The plug is made of brass for a long service life. Easy installation, no tools required and easy cleaning: Anyone can install the pop-up drain! Simply replace the old one, secure the strainer with the O-ring and insert it into the drain hole. No plumber or special tools required. For cleaning, simply rinse under running water and remove stubborn residue with a soft brush or cloth. Universal Compatibility: Fits almost all American bathroom drain holes with an inner diameter of 1.34 to 1.57 (34mm to 40mm). Comes with 34mm and 40mm rubber rings for versatility and a good fit on different drain sizes. Improved Anti-Clog Design 2 in 1: This bathroom sink stopper is equipped with a removable filter basket. A clever way to prevent drain blockages by catching hair and other dirt