Features;: Durable Material: The shower sink strainer is made of high quality ABS, which is sturdy and not easily damaged for long-term use. Magnetic Seal: Our floor drain uses magnetic levitation technology, which uses the principle that magnets repel each other to seal when there is no draining water, which helps prevent odors and bed bugs and prevents sewage from overflowing. When the water is discharged, the pressure of the water flow opens the sealing opening and closes it quickly after the water is discharged. Good sealing effect. Great water drainage: The gravity of water flow is converted into centrifugal force to speed up drainage, no matter how large the water may be drained quickly without clogging, and the drainage is completed magnetically to close quickly, with good odor-proof effect. Easy to use: The floor drain is a practical joint deodorizing floor drain core deep sealing, plug and play type. Suitable for pipes with a diameter of 40 mm without flange and a floor drain depth greater than 50 mm, ready to use once inserted. Versatile use: deodorizing gasket ; dampening ring to prevent sewer back-up. Just install it in any floor drains, such as basements, laundry rooms, shower rooms, kitchens, garages, etc., to bring you clean air and a pleasant life! Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received Delivery quantity: (according to the main image)