Description: 【Innovative Self Closing Design】: Our odor resistant drain core features 90 degree direct drainage by gravity. Once the water stops, the gasket automatically closes for seamless operation. 【Great Clog Prevention】: Ideal for bathrooms, sinks, washing machines and more. Our drain backflow preventer completely seals the sewer to prevent hair accumulation and blockages. It also prevents unpleasant odors and sewer backflow, improving your living environment. 【Premium Material】: Our drain core is made of premium copper material that does not deform and is great at capturing debris. This ensures longevity and stable performance, making it a reliable addition to your home. 【Multifunctional Application】: Our drain check features an embedded design with a seamless appearance that fits various environments - bathrooms, kitchens, garages, balconies, swimming pools, toilets, basements etc., providing an invisible solution that easily blends into your decor. 【Product Specifications】: Self closing large filter screen odor resistant floor drain core features is with dimensions of 7.1cmx4.3cm/2.80inchx1.69inch, with handle, easy to clean and install. Specification: Material: Copper Size Chart: 7.1cmx4.3cm/2.80inchx1.69inch Package Includes: 1 Self Closing Odor Resistant Floor Drain Core Note: Please allow slightly errors due to manual measurement and different monitors.