Experiencing issues with your dishwasher's water distribution? The duct nozzle (DD67-00064A) might be the culprit. This genuine Samsung part ensures proper water flow to the upper spray components in your dishwasher. Over time, wear and tear can lead to reduced performance or leaks. Replacing this part yourself is straightforward and can restore the dishwasher's efficiency. Before purchasing, verify your device's model number for compatibility.