General description This pop-up basin drain with an anti-clogging filter is a universal solution for bathroom sinks, designed to fit drain holes with an inner diameter of 38-43 mm. Made from high-quality stainless steel and thickened copper, this durable product ensures effective drainage and prevents clogging. Technical specifications Universal size: Fits drain holes with an inner diameter of 38-43 mm Inner diameter of the sink filter: 37 mm Installation No tools required for installation Can be easily installed by hand Simply remove the old rebound core and install the new one Includes a rubber ring to enlarge the inner diameter for larger drains Usage Suitable for bathtubs, bathroom sinks, and kitchen sinks Features a 2-in-1 design for both water holding and draining Switch modes by gently pressing down the top cap Other information Built-in anti-blocking basket collects hair and prevents leakage Durable, rust-proof, and crack-resistant materials ensure longevity