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 how much water volume, it can be discharged quickly, draining quickly, without water accumulation. Self-cleaning by rotation, keep clean at all times. Usage: This kind of floor drain can be used for about 35-37mm, and is suitable for 99% of the diameter of the sewer. For example, kitchen sinks, bathroom sinks, toilet floor drains, these places can be used. It can easily solve the problem of sewer insects and eliminate peculiar smells. Closed isolation technology: Since the sewer is connected to the underground septic tank, sewage or other air can enter the room through the odor drain 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 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 quickly discharged. Rotating self-cleaning, keep clean at all times. 3. Seal the peculiar smell and peculiar smell of sewage gas. Prevent the drain from being poured into the room, leaking and overflowing. Specifications: Name: Floor Drain Inner Core Material: TPR + ABS Size: about 5.3 x 5.3cm Package Included: 1 x Internal Floor Drain Note: Due to the lighting effects and shooting angles, there may be some color difference in the product, please understand. Due to manual measurement, there is a margin of error in the product size.