EndoVac Evacuation Tubing is a part of the EndoVac endodontic irrigation apical negative pressure system. It contains 1 macro/micro tube and 1 MDT tube. Complementary item for EndoVac irrigation negative pressure system. Used to pull irrigants down the root canal. Applies suction rather than injection. Cleans the entire canal system. The EndoVac2 Tubing Kit includes 1 macro/micro tube and 1 MDT tube. EndoVac2 uses suction power to draw irrigants down the root canal system and towards the Hi-Vac suction unit for total cleaning.By plugging directly to the blue port of the MPA, the Master Delivery Tip (MDT) facilitates the steady flow of irrigants without risking overflow. MDT is used during coronal flaring and post instrument changes to remove debris.