The Geekvape Zeus series are the pinnacle in top airflow vape tanks and now they're available as a pre-built sub-ohm tank. The Zeus Sub Ohm tank is built around the new Mesh Z coil system, a coil that not only provides fantastic flavour and thick clouds but, makes maintenance a doddle thanks to the push / pull changing, Geekvape have even included a handy tool just in case you need it! The Zeus is filled from the top through its large filling ports and th cap twist locks into place so there's no chance of it sliding open in your pocket.