Nonoverflow drain hose This sink drain hose fits sinks without overflow design. Standard installation size is 1 ¼. This drain hose fits all commercial sinks withoutoverflow. At the same time, the antioverflow design can effectively prevent bad sewer odor and make your bathroom more comfortable and beautifulEasy to use Popup switch button, simply press the drain cover to close and lock. Press again to open the drain plug and drain the water. You can turn the top cover counterclockwiseclockwise to drain the water. Unscrew and remove. No complicated operations are required, making it easier to use. QUALITY MATERIAL Our waste stopper is made entirely of copper. Compared to lidsof stainless steel sink on the market, our products are of better quality.Anticorrosion and durability. Polished chrome finish resists daily scratches and corrosion. Easy installation and tight seal The waste water connection fits all standard sinks, please note its standard connection size1 ¼. Comes with all gaskets and accessories, multilayer gaskets easy to install according to instructions to ensure water tightness.FeaturesMaterial Brass typeApplication Hand basin drainType Outlet height mm 80 straightValve cover diameter 66 mm.Connection for 114 siphon.