Feature: - Without overflow connection The click-clack drain valve has no overflow connection. Mount it on sinks that do not have an overflow. This drain valve is suitable for use in homes and commercial bathrooms such as those in restaurants, bars, and hotels. Specification: Material: Brass and zinc alloy Installation size: G1 Sealing material: Silicone Overflow: Without overflow Package includes: 1 x Drain set without overflow - Extra strong brass Our drain set is made of solid brass to ensure long-lasting quality and durability. - Matte black The elegant simplicity of the drain valve in matte black complements bathroom designs. - Easy installation and cleaning Due to the solid construction and precisely engineered joints, the waste set can be installed without tools in just a few simple steps. Tips: Please check the installation size of your sink before purchasing. The pop-up waste is designed for sinks and is not suitable for bathtubs. This basin drain comes with all necessary installation hardware and silicone washers. Ensure the washers are positioned and seated correctly. Incorrect placement may cause leaks. Use plumber's putty if needed to prevent leakage.