- Compatibility: Our universal bathroom sink drain strainer is designed to fit most sink drain holes with an inner diameter ranging from 26mm to 50mm (1.02 inches to 1.96 inches). Ideal for wash basins and bathroom sink drains. Be sure to measure your sink's drain hole before purchasing. - Two-in-One Design: Unlike standard sink stoppers, this upgraded pop-up drain strainer features an anti-clogging basket that prevents debris such as hair and rings from blocking your sewer. The built-in spring allows you to easily switch between pop-up and closed states with a simple button operation. Three replaceable rubber rings enhance stability and effectively prevent water leakage. - Easy Installation: Designed for hassle-free setup, this sink drain strainer requires no tools for installation. Just remove your old sink stopper and insert our drain strainer to complete the process, saving you the expense of a plumber. For cleaning, simply remove the strainer for easy access. - Durable Materials: Constructed from brass and stainless steel, this sink drain strainer is resistant to rust and built to last. The silicone ring ensures excellent airtightness, effectively preventing water leakage. Use Cases: 1. Ideal for homeowners looking to upgrade their bathroom sink with a reliable and efficient drainage solution. 2. Perfect for rentals where easy installation and maintenance can save time and costs. 3. Great for households with pets or children, where hair and debris can quickly clog standard drains.