360-degree drainage: Transforms gravity drainage into centrifugal drainage for efficient 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 updated design has been thoroughly tested to help maintain a clean and odor-free bathroom environment. Automatic drainage switch: Features a magnetic levitation mechanism that automatically opens during water discharge to ensure smooth flow, then seals shut after drainage to block sewer gases and prevent odors from entering the room. Helps prevent backflow and water leakage. Durable and convenient: Simply insert the drain core into the sewer for instant installation. When cleaning is required, the filter can be easily removed using the built-in handle. Constructed from high-quality brass and advanced PPS nano material for long-lasting durability and stability. Clean and hygienic: Prevents long-term dirt buildup that can harbor bacteria, gases, and insects, helping to protect household health. Utilizes a joint and vortex anti-backflow design to effectively block gas emissions and entry of small pests. The rotating structure enables a self-cleaning action, keeping the drain consistently clean. Compatibility: Designed to fit most drain holes with a diameter of 3.8 to 4.5 cm and a depth of at least 8 cm. Compatible with approximately 99% of standard sewer openings. Measure your drain size and depth before purchase. The silicone drain hose is suitable for use in kitchens, bathrooms, and laundry rooms, and works with most sinks, drains, and angled sink configurations.