[Universal size] This pop-up filter basket drain is a universal stainless steel bullet core product, which can be used for different types of basin drainage. The inner diameter of the filter screen of the sink plug is 33.5mm. Suitable for drain holes with an inner diameter of 35 mm-38 mm (1.37-1.49 inches).[Easy to install] No tools required, easy to install with bare hands. You only need to take out the old bouncing core and install the new bouncing core. Due to its simple structure, anyone can install a pop-up drain. If you want to use it for a larger sink hole diameter, you can use our attached rubber ring to increase the inner diameter of the sink plug.[High-quality material] The sink drain plug is mainly made of high-quality stainless steel and thick copper material, which is strong, rust-proof and crack-resistant. With its good resilience and resilience, fast drainage and fast water sealing.[Built-in filter] There is an anti-clogging basket filter in the sink plug, which can collect hair and prevent the drain pipe from clogging to achieve effective filtration, which is different from ordinary button drain pipes. Suitable for bathtubs, bathrooms and kitchen sinks, etc.Two mode switchingThe pop-up design of this drain plug subverts the inconvenient way of draining. It is a two-in-one bathtub plug and filter. Simply press the top cover to switch between 2 modes, including water retention and drainage