Excellent Quality: Made of high-quality brass, the casting process is one-time seamless casting, strong and durable, and will not collapse for a long time. Each floor drain has undergone multiple processes to be carefully polished, rounded and scratch-proof. Function: The shower drain has a practical floor drain core, waterproof, prevent odor to a certain extent, prevent insects, prevent sewer backflow, filter and prevent sewer blockage. Easy to Install: The shower drain core is easy to install, plug and play, anti-odor floor drain, Installation can be completed quickly by one person. Small Diameter: The anti-odor shower bottom end diameter is only 27mm, which can be easily inserted into various types of sewers to replace the original smelly floor drain. Applicable required sewer pipe openings: 27-55mm. Various Occasions: Anti-odor shower stopper perfect for kitchen sinks, bathroom floors, toilets and other occasions. The floor drain core helps you keep your bathroom clean, dry and