Usage Tips:Product Description 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 not only suitable for families but also for various bathrooms and toilets such as 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 makes it the icing on the cake in a modern bathroom. -Easy installation and cleaning Due to the Solid construction and perfectly fitting joints, the waste set can be installed completely without tools in just a few steps. Tips Please pay attention to the installation size of your sinks before purchase. The pop-up waste can not be used for the bathtub, which is just used for the sink. This basin drain comes with hardware and silicone washers. Make sure the position and shape of the washers are correct. Incorrect position of the washer will cause leakage. Please use plumber's putty if there is a leak.