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 drainage, then seals tightly after use to block sewer gases and odors. Helps prevent backflow and potential water leaks. Durable and convenient: Easy to install—just insert the core into the drain. When cleaning is needed, the handle allows for quick removal of the filter element. Constructed from high-quality brass and advanced PPS nano material for long-lasting durability and stability. Clean and hygienic: Built-in joint and vortex anti-backflow design helps prevent the spread of sewer gases and entry of insects. The rotating structure enables a self-cleaning action that helps keep the drain clear and hygienic over time. Compatibility: Designed to fit most standard drain openings with diameters between 3.8 cm and 4.5 cm and a depth of at least 8 cm. Compatible with 99% of common floor drains. Measure your drain size and depth before installation. The included silicone drain hose works well in kitchens, bathrooms, and laundry rooms. Suitable for use with most sinks, drains, and angled sink configurations.