Advken Barra Mesh Tankis a Mesh tank made of food-grade PCTG plastic and 304 stainless steel. It has a detachable sub-ohm mesh coil and offers a variety of color and coil options. The Advken Barra Mesh Tank base is 24mm in diameter and is a regular-sized tank that can hold 4ml of juice. Barra Mesh Tank is half-transparent to indicate the level of remaining juice within the 4mL tank. Furthermore, the Advken Barra is top filled, stoppered by a silicone plug, revealing a single fill hole. Within the Barra Mesh Tank is the replaceable atomizer core constructed from mesh wires in a single fashion, utilizing organic cotton as a wicking medium. The mesh coil has a larger heating area to speed the healing process brings you a fantastic vaping experience. Outfitted with a dual slotted bottom airflow control ring, the Advken Barra Mesh Tank can meter the amount of airflow rushing into the coil's internal structure by adjusting the size of the open airflows.