Item description: Brand new. Material: Plastic. Solve the blockage of the drain hole of the refrigerator. Instructions: 1. Disconnect the power supply of the refrigerator. 2. Bend the brush head slightly and insert it into the bottom of the drain hole. 3. Pull back and forth into the wall of the water pipe. 4. The syringe injects water around 70 degrees. 5. Repeated injection into the drain hole, insert the drain hole plug into the drain. 6. Melt the ice until the hot water does not flow back into the hole to prevent debris from entering. The refrigerator works.