【Floor Drain】- Sealing reducer ring to prevent sewer backflow, filter and prevent clogging. 【Anti-Clogging Sewer Filter】- Non-slip, wear-resistant, and not easy to deform. 【Sealing Core】Floor Drain Plug】- Prevents garbage, hair, and other debris from entering the drain pipe and blocking the drain. 【Drain Backflow Preventer】: Simply install it on each sewer outlet, you can breathe fresh air and enjoy a better life! 【Bathtub Drain Cover】- Ideal for sealing and inflating to prevent drainage from entering the room