WOTOFO BRAVO RTA is a 25mm rebuildable tank atomizer with great features - 1/2 turn design top cap, clamps post design, banked airflow system and 4.5ml/6ml huge capacity. The Bravo RTA is an innovative rebuildable tank atomizer from Wotofo. It comes with 810 resin wide bore drip tip and amazing knurling body. Its bubble glass tube will enlarge the capacity from 4.5ml to 6ml. The Bravo features dual coil clamps post for flat wires and banked airflow that concentrates the airflow for better flavor. User can refill e-juice easily with the 1/2 turn design top cap. The Wotofo Bravo RTA is comparable to a RDA in vapor production and flavor.