It helps to clean the drain hole of the friger , solve the leakage problem, and remove the peculiar smell caused by blockage. Can be reused.Strong Applicability: Suitable for all brands of refrigerators, freezer display cabinets and wine cabinets. It is easy to use, quick to dredge, and does not hurt the refrigerator. There is no need to cut off the power supply during use.How to Use: Insert the oblique opening of the pipe into the drain hole of the refrigerator, and pour 70-80C hot water to flush out the blockage in the drain pipe. If you encounter resistance when inserting the tube, continue to pump hot water until you hear the sound of running water, so the refrigerator is unblocked. After dredging, you can use the free dredging brush to clean again to better remove the peculiar smell.Practical Design: The front oblique incision design can be easily inserted into the drain pipe for dredging than the flat opening, providing better resultsSafe Materials: Made of new medical-grade transparent materials , not muddy recyclable garbage! Reusable, strong and durable.