360 degree drainage: Change gravity drainage to centrifugal drainage, 360 degree drainage, fast drainage, not easy to block and no water at the bottom. Insert the deodorant floor drain core into the sewer and the installation can be completed in seconds. The new design has been tried and tested repeatedly to provide you with a clean and odor-free bathroom atmosphere. Automatic drainage switch: Patented magnetic levitation drainage, which automatically opens during drainage to ensure smooth drainage, and automatically closes after drainage to seal in sewer odors and odors. Prevents drainage from flowing back into the room, preventing water leaks and spills. Durable and practical: Insert the drain core into the sewer and install it in seconds. When the filter element needs cleaning, it can be removed from the drain directly by the handle. Our floor drain core is made of high quality brass and new nano pps material, stable and durable. Clean and hygienic: The dirt in the pipeline accumulates for a long time, which is easy to breed bacteria and harmful gases, and even breed insects, which affects the health of the family; our floor drain adopts seal + vortex backflow design, which can effectively prevent gas diffusion and reptiles; the floor drain rotates and the self-cleaning function makes the floor drain keep it clean at all times. Compatibility: suitable for all drainage holes with a diameter of 3.8 at 4.5 cm and a depth of more than 8 cm. Silicone drain pipe hair extensions can be used in kitchens, bathrooms and laundry rooms. Works with most sinks, drains, sloped sinks. Note: The data are manual measurement, please allow a 1-3cm error, due to the differences between the light and the display, there will be a certain color difference, the specific received in kind prevail.