Upgrade Filter PanelOur sink strainer is equipped with a filter panel design that collects hair and prevents clogs. Compared with a normal push button strainer, it achieves a double filtration effect, which makes cleaning easier. Universal sink strainerThis bathroom sink strainer is a plug universal washbasin with a spherical core that can be used for different types of washbasin and bath waste. Our sink stopper fits drain holes with an inside diameter of 34mm to 37mm. Self-closing drain coreOur sink strainer contains a magnetic water valve that s 'automatically opens in the presence of water and closes in the absence of water, preventing odors and insects from escaping from the pipe 2-mode pop-up functionThis sink stopper bathroom features a pop-up design that involves gently pressing the top cover to switch between 2 modes - stop (to retain water) and sieve (to drain water). < p>Stainless steel and all-copper materialThe sink stopper is made of high quality stainless steel and all-copper, which is durable, anti-rust, crack-resistant. Basin drain with galvanic multi-layer surface can be used for a long time. Besides, the quality silicone ring can effectively prevent water from leaking out. Easy to installJust need to install. remove the old one and insert the sink plug to complete the installation. Anyone can install this sink stopper hassle-free and without tools.