Inherited from GeekVape Zeus Atomizers family, the GeekVape Zeus X RTA is a latest vape device for single/dual coil building. The Zeus X RTA comes with 2ml capacity (expandable to 4.5ml with included bubble glass) to meet your need. The postless build deck provides an easy way for single/dual coil building too. The GeekVape Zeus X RTA adopts innovative double chimney design. And the multiple holes on the inner chimney brings smooth air inlet to the coil. The improved top airflow design also prevents juice leakage.