Built-in Filter Basket: The sink stopper comes with an anti-clogging filter, which easily catches hair or other objects and does not affect the water flow. When it's time to clean, simply remove the filter and wipe it dry. Pop-up Switch Design: The pop-up drain valve allows for quick drainage/water storage, easy to use; Fits flush without overflow hole. Excellent Metal Construction: The sink drain kit made of stainless steel and brass, effectively prevents corrosion and rust, suitable for humid bathroom environments, durable. Universal Size: The sink stopper fits all standard sinks, the standard interface size is G 1¼. Without overflow hole. Easy Installation: The sink stopper is simple, no tools are needed when you install this pop-up drain.