360-degree drainage: Transforms gravity drainage into centrifugal drainage for full 360-degree water flow, enabling fast and efficient drainage. Resists clogs and prevents standing water at the bottom. Simply insert the deodorizing floor drain core into the sewer pipe for quick installation in seconds. The upgraded design has been thoroughly tested to help maintain a clean and odor-free bathroom environment. Automatic drainage switch: Features a patented magnetic float mechanism that automatically opens during water discharge to ensure smooth flow, then seals tightly after drainage to block sewer gases and prevent odors from entering the room. Effectively stops backflow and minimizes the risk of leaks or spills. Durable and convenient: Easy to install—just insert the core into the drain. When cleaning is required, the integrated handle allows for quick removal of the filter element. Constructed from high-quality brass and advanced PPS nano material, the floor drain core offers long-lasting durability and structural stability. Clean and hygienic: Built-up debris in drain pipes can harbor bacteria, generate foul odors, and attract insects, posing health risks. This floor drain features a joint and vortex anti-backflow design that helps block gas emissions and prevents pests from entering. The rotating structure includes a self-cleaning function to keep the unit clean and hygienic over time. Compatibility: Designed to fit most standard drain openings with a diameter between 3.8 cm and 4.5 cm and a depth of at least 8 cm. Compatible with approximately 99% of residential drain systems. It is recommended to measure your drain's dimensions before purchase. The included silicone drain hose and hair trap extensions are suitable for use in kitchens, bathrooms, and laundry rooms, and work with most sinks, including angled and standard drain configurations.