Purelux sink drain stoppers are designed to fit your 1-3/4" lavatory sinks without causing overflow. simply check your sink's minimum hole diameter and maximum depth to ensure it meets our requirements. made from solid brass for durability and corrosion resistance. easy-to-use design allows you to press the cover to seal and press again to open. oil rë¯ bronze finish adds a touch of elegance to your bathroom setup.","The Purelux sink drain stopper features a trapped air mechanism, preventing water from flowing through during installation. trap air motion effectively reduces clog potential and enhances overall drainage performance. crafted with high-quality materials, this drain stopper is built to last. designed for both residential and commercial use, our stopper is perfect for ensuring leak-free and efficient drainage in your bathroom. easy to clean and maintain, this product is a great addition that enhances your bathroom experience.