Upgrade Sink Hair FilterOur sink drain is equipped with a filter panel design that collects hair and prevents clogs. Compared to a normal push-button drain, this achieves a double filtration effect, making cleaning easier. Universal sink strainerThis bathroom sink drain is a universal sink drain with a spherical core that can be used for different types of sink and bathtub drains. Our sink plug fits drain holes with an internal diameter of 34mm to 37mm. Self-closing drain coreOur sink filter contains a magnetic water valve that automatically opens in the presence of water and closes in the absence of water, preventing odors and insects from escape from the pipe Pop-up function in 2 modes This bathroom sink stopper has a pop-up design which involves gently pressing the top cover to switch between 2 modes - stop (for retain water) and sieve (to drain water). Stainless steel and all-copper materialThe basin stopper is made of high-quality stainless steel and all-copper, which is durable, anti-rust, crack resistant. Sink drain with galvanic multi-layer surface can be used for a long time. In addition, the quality silicone ring can effectively prevent water from leaking. Easy to installSimply remove the old one and insert the sink stopper to complete the installation. Anyone can install this sink stopper without hassle and without tools. But be sure to confirm your sink size between 34"-37" before purchasing.