As expected, powerful TFV series has finally returned! It's equipped with two new mesh coils for the best flavor and the max vapor. By adopting a gigantic bulb pyrex glass tube, TFV16 enlarges the e-juice capacity to a unprecedented 9ml. It implements a sealed top refill system and adjustable dual slotted bottom airflow to produce massive vapor and superb flavor. Besides, the revolutionary top cap with secure locking mechanism can effectively avoid leakage problem.