Geek Vape Zeus Dual RTA is an upgraded version of Zeus RTA which supports dual coil build. It features innovative leak-proof top airflow system. The upgraded postless build deck supports both single coil and dual coils. And it is easy to build. It is compatible with both 510 & 810 drip tips, you can enjoy different vaping experience. It also supports extended capacity to 5.5ml by using a bubble glass tube.