Part of the GeekVape Zeus family, the Z RDA is designed to be easy to use and build on, making it great for vapers new to rebuilding and RDA’s. It features a leak-resistant design, with the top cap sitting over the O-rings that creates an effective seal. 25mm Diameter Two Post Build Deck Top-to-Bottom Airflow& Leak resistant Design Dual Coil Builds A top-to-bottom airflow has been designed with usability in mind, and coupled with an effective outer airflow control produces some excellent results. A two post deck allows for all manner of dual coil builds, and a deep juice well contains room for a generous amount of cotton wick. Box Contents GeekVape Z RDA 810 Drip Tip T Shaped Tool& Winding Coil Rod Spare Parts Park Feather Cotton ( 4 pcs ) Clapton Coils ( 4 pcs ) GeekVape, or Shenzhen GeekVape Technology Co., Ltd, have been manufacturing reliable and affordable vape kits, mods, and tanks since 2015. Having produced some of vapings most iconic devices, including the Aegis series, Zeus series, and even the more recent GeekBar, the company has gone from strength to strength and continues to break boundaries with vaping technology.