Universal SizePop-Up Sink Drain for different types of pop-up filter basket drains. There are three built-in rubber rings, which can be adjusted according to the size of the drainage hole. Fits drainage holes from 26mm to 38mm (1.02 to 1.5 in). Brand new design drain plugBathroom sink plugs sink filter are more convenient and practical than ordinary sink drains. The upgraded stainless steel drain stopper has an anti-clog basket inside to prevent the drain from getting stuck in hair. Additionally, it comes with non-slip rubber pads and two large and small rubber rings to prevent water leakage. Basin Sink Drain Plug is Easy to InstallAnyone can install the pop-up sink drain plug, because it has a simple structure and does not require any tools, just remove the old one insert. If you want to use it for larger sink hole diameters, you can use the built-in rubber ring to increase the inner diameter of the kitchen sink stopper. Drain Filter StopperThe rubber ring around our built-in basket keeps it stable and does not tilt when you press the button. There is a large non-slip pad under the core, which can be perfectly matched with the sink drain under the action of water pressure. So you don't have to worry about waterproofing and drainage. High-quality materialThe bathroom sink plug is mainly made of high-quality zinc alloy material, which is rust-proof and crack-resistant, sink drain and is integrally formed. Good resilience, rapid drainage, rapid waterproofing.