SMOK T-Air Subtank- AssortedSMOK T Air Subtank Assorted The T Air Subtank by Smoktech offers vapers a top adjustable airflow control ring which minimizes any leakage points while simultaneously provides an extra smooth and flavorful vaping experience. The sub ohm tank has a 5. 0 mL e juice capacity which if filled via the top fill system. Users can remove the top fill cap to expose the two large fill ports which makes filling your favorite e juice quick and simply. Included with