Safe material: TPR soft rubber, not easy to damage, can be reused for many years. Size: about 5.3 x 5.3cm Unique design: No matter how much water, it can be discharged quickly, draining quickly, no 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 drains, these places can be used. It can easily solve the problem of sewer insects and remove peculiar smell. Closed Isolation Technology: Since the sewer is connected to the underground septic tank, the sewage or any other air may enter the room through the odor exhaust pipe. Every family needs a high quality floor drain 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 drain. 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, it can be discharged quickly. Rotating self-cleaning, keep clean at all times. 3. Seals in the peculiar odor and peculiar smell of sewage gas. Prevents the drain from being poured into the room, leaking and overflowing. Features: Name: Inner floor drain core. Material: TPR + ABS. Dimensions: approx. 5.3 x 5.3 cm. Contents: 1 internal floor drain. Note: Due to lighting effects and shooting angles, there may be some color difference between the products, please understand. Due to manual measurement, there is some error in the product size