Fine filter holes: This drain plug is an anti-clogging filter inside, the filter is denser and more effective against clogging than the drain is clogged. This means that no objects such as rings, jewellery, dirt, etc. can get into the drain. Two seals: Optimized and improved drain plug, increased to 2 seals, suitable for drain holes with an inner diameter of 34-40 mm, um common issues such as size and insufficient customization. Suitable for most sinks. Anti-rust and anti-corrosion: the core of the drain plug is made of brass, the spring is thick, and the service life is long. The basket is electroplated with ABS plastic to effectively prevent rust and corrosion caused by sewage and oil stains. Easy to use: No need to replace parts. Drain, just remove the original copper core, insert our drain plug , gently shake the drain plug to fit the drain hole, press the switch to close the tank and water flow. Cleaning and odor elimination: Thanks to the detachable basket design, remove the plug and remove the Basket allows you to remove foreign objects easily - It can also prevent drainage from gutters and prevent peculiar odors.