[Innovative Self Closing Design]: Our odor resistant drain core features 90 degree direct drainage by . Once the water stop, the gasket automatically closes for seamless operation. [Great Clog Prevent]: 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 7cmx4.3cm/2.76inchx1.69inch, with handle, easy to clean and install. Specification: Material: Copper, Aluminum  Size Chart: 7cmx4.3cm/2.76inchx1.69inch Package Includes: 1 Self Closing Odor Resistant Floor Drain Core Note: Please allow slightly errors due to manual measurement and different monitors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store