Excellent quality: Made of high-quality brass, the casting process is seamless one-time casting, strong and durable, and will not collapse for a long time. Each floor drain is carefully polished, rounded and scratch-resistant through multiple processes. Function: A practical, waterproof and odor-proof floor drain core for shower drainage pipes, which can prevent sewer odor, repel 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, one person can quickly complete the installation. Small diameter: The diameter of the lower end of the anti-odor shower head is only 27mm, which can be easily inserted into various types of sewers to replace the original smelly floor drain. Applicable required sewer pipe opening: 27-55mm. VARIOUS OCCASIONS: The anti-odor shower stopper is perfect for kitchen sinks, bathroom floors, toilets and other occasions. The floor drain core helps you keep