Colour:Plastic Product description: Description: drain plug. Type: bullet core + valve. Style: Plastic, Brass Material: galvanised ABS + brass core + rubber ring. Size: 6.3 x 6.3 cm. Diameter: 30 mm. Opening: 33-42 mm. Applicable: drainage holes with an inner diameter of 34-42 mm. Packing list: 1 x flush plug. 2 x sealing rings. Features: 1. Easy installation, tool-free installation, just remove the old one and insert the new flush plug to complete the installation. 2. The core screw is different from the ordinary drain plug with button. There is an anti-lock basket in the core drain plug that catches hair and dirt and prevents dirt from entering the drain and causing blockages. 3. The sink drain plug has its own valve that opens automatically when deflated and closes automatically when there is no water to prevent bed bugs from entering. 4. Just tap the top cover, you can easily switch the water storage and drainage mode, which can drain quickly and save quickly. 1. UNIVERSAL SIZE: Sink plugs are suitable for drain holes with an internal diameter of 33-42mm and can be used for different types of sink drains. To avoid wasting your precious time, it is recommended to measure the required size of the sink drain hole installation before purchase. 2. New upgrade: the sink drain plug can automatically close the valve, remove odours, prevent blockages, bed bugs that want to get into the pipe, strictly block and isolate the smell in the sewer. The valve opens automatically when water enters and closes automatically when there is no water. 3. Pop-up release valve: the improved universal pop-up valve plug drain filter switches between bearing and release mode by simply pressing the top cap and does not tip over when the button is pressed. Basin plug is a good solution to the problem that the traditional sink filter leaks due to the failure of the knob. 4. Premium material: the sink plug is made of 304 stainless steel and thick copper material, the other is plastic, both are very strong, rust-proof, tear-resistant and durable. The valve opens automatically when water enters and closes automatically when there is no water. 5. BUILT-IN FILTER: The sink drain plug has a built-in anti-clogging basket filter to catch hair, dirt and accidentally dropped jewelry before the drain is clogged. At the same time, all parts of the new sink drain plug can be removed for cleaning. 1. UNIVERSAL SIZE 2. New upgrade 3. Pop-up release valve 4. Premium material 5. BUILT-IN FILTER