The Ark Tank by Vapor Tech is a monstrous 4ml tank which works with all box mods. The tank is easy to use and is really stylish, which will enhance both looks and performance of your box mod. The Ark Tank is compatible with VTech Coils of Vapor Tech such as SS, Ni200, Nichrome80 and Ceramic coated wires. In addition, it is equipped with velocity style rebuildable deck and pure organic cotton wick.