The tool also has a clear pipe so you can see when no more is coming out. It allows you to see the debris being removed from the AC condensate line and when the line or water is clear. ✓ One end of this gadget fits perfectly over the vacuum clearner hose end (it has several concentric rings for different size hoses), while the other end fits perfectly inside the PVC elbow at the end of the drain line outside the house.
