The GeekVape Z Max Tank features direct top airflow and high-dynamic top-to-bottom airflow, which will produce better flavour and precise airflow control. Designed with industry-leading leakproof systems. The Z Max Tank is compatible with GeekVape M series coil providing more flavour possibilities with multiple coil configurations. The M 0.14ohm and M 0.2ohm coils are included. The e-juice capacity of standard version is 4ml and there is also a 2ml spare glass tube in the package.