Safe material: TPR soft rubber, not easy to damage, can be reused for many years. Size: about 5.3 x 5.3 cm Unique design: No matter the volume of water, it can be discharged quickly, draining quickly, without water accumulation. Self-cleaning by rotation, keep clean at all times. Usage: This type of floor drain can be used for about 35-37mm, and is suitable for 99% of the diameter of sewers. For example, kitchen sinks, bathroom sinks, toilet floor pipes, these places can be used. It can easily solve the problem of sewer insects and eliminate peculiar odor. Closed insulation technology: Since the sewer is connected to the underground septic tank, sewage or other air can enter the room through the odor exhaust pipe. Every family needs a high-quality floor drainage core to prevent foreign objects from escaping. Easy to use: Open the package and use, just insert the product directly into the end of the sewer. When the filter element needs to be cleaned, it can be directly removed from the sewer through the handle. Features: 1. Widely used in kitchens, bathrooms, garages, balconies, bathrooms, toilets, etc. Easy to install. 2. No matter how big the water is, it can be discharged quickly. Self-cleaning rotating, keep clean at all times. 3. Seals the peculiar smell and peculiar smell of sewage gas. Prevents drain from being poured into the room, leaking and overflowing. Features: Name: Floor drainage inner core. Material : TPR + ABS. Dimensions: approximately 5.3 x 5.3 cm. Contents: 1 internal floor drain. Note: Due to lighting effects and shooting angles, there may be color difference between the product, please understand. Due to manual measurement, there is an error in product size