360-degree drainage: Transforms gravity drainage into centrifugal drainage for full 360-degree water flow, enabling fast drainage with reduced risk of clogs and no standing water at the bottom. Insert the deodorizing floor drain core into the sewer pipe for quick installation in seconds. The upgraded design has been rigorously 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 and seals shut afterward to block sewer gases and odors. Helps prevent backflow, water leakage, and unwanted spills.Durable and convenient: Simply insert the drain core into the sewer for instant installation. When cleaning is required, the core can be easily pulled out using the built-in handle. Constructed from high-quality brass and advanced PPS nano material for long-lasting durability and stability.Clean and hygienic: Prolonged accumulation of debris in pipes can lead to bacterial growth, unpleasant gases, and even insect infestations, impacting household health. This floor drain utilizes a joint and vortex backflow design to effectively block gas diffusion and prevent intrusion of pests. The rotating structure with self-cleaning action helps keep the drain clean and hygienic over time.Compatibility: Designed to fit drain holes with diameters ranging from 3.8 to 4.5 cm and a depth of at least 8 cm. Compatible with approximately 99% of standard drain openings. It is recommended to measure your drain's dimensions prior to purchase. The silicone drain hose extension is suitable for use in kitchens, bathrooms, and laundry rooms, and works with most sinks, drains, and angled basins.