Innokin iClear 20D Tank Key Features 2ml Capacity Top Fill Pyrex Glass & Stainless Steel Construction 22mm Diameter About the Innokin iClear 20D Tank The iClear 20D is a sub-ohm, temperature control tank designed for use with the Innokin iTaste EZ.TC Starter Kit. The iClear 20D has a 2ml capacity, leak-resistant design, easy coil swap system and top-mounted airflow. The Innokin iClear 20D can only be used with the Innokin iTaste EZ.TC Box Mod.