UD Goblin Mini V3 is a rebuildable tank atomizer. It comes with two 16mm velocity RBA decks: the velocity deck for dual coils and the side velocity deck for single big coil installation. Applied the advanced Goblin Mini bottom airflow system, the patented chimney design will ensure perfect flavor and anti-spit. Goblin Mini V3 RTA Tank adopt two RBA decks including side velocity deck and velocity deck with diameter 16mm. Also, Goblin Mini V3 tank features a tank capacity with 2ml to provide you great vaping exoerience.