The New iSub Tank by INNOKIN is a new addition to the tank market. Made out of Stainless Steel and High Quality German P.C., The iSub Tank is in a league above its own. Included in the package are two (2x) 0.5Ω Coils which are wicked with Organic Japanese Cotton for superior flavor! Although the iSub Tank is compact and sleek, it is also able to capacitate 4ml of E-Liquid to provide efficient wicking, and to lower the need of re-filling. Adjustable Airflow allows the iSub Tank to produce max clouds while efficiently wicking and producing maximum flavor as well! If you're in the market for an affordable tank that preforms, the iSub Tank by INNOKIN is for you!