Only Used For 1.34~1.45 " Drain Pipe Diameter: The sink drain plug is only suitable for drainage holes with an inner diameter of 1.34~1.45 in (34mm~36mm). Upgrade Drain Filter and No Water Leakage: More convenient and useful. This bathroom sink plug has an anti-clogging basket inside that can prevent the sewer from stuck with hairs. One-piece molding, no gaps, rubber ring around our built-in basket keeps it stable. Pop Up and Easy to Use: Flexible bounce, 2 modes to switch just by simply pressing the top cap down- stopper (to keep the water) and strainer (to drain off the water). Advanced Design and High Quality: Designed with a beautiful shape and mainly made of thickened copper and stainless steel, durable and anti-rust, press lightly, and get into the water quickly, no worry about sealing and drainage. Easy to Install: Anyone can install the pop-up drain because of its simple structure, no tools are needed, just take out the original director and insert this push-type converter drain filter as a substitute. Product Specification Type:Drain Filter Material : Stainless Steel and Brass Color: Silver size:6.2*6.2*3.3cm Features Pop Up and Easy to Use,Easy to Install Fit for For 1.34~1.45 " Drain Pipe Diameter 2 Modes to Switch Pressing the top cap down- stopper and strainer Package Included 3 x Basin Pop-up Drain Filter