Let's preview the latest Z Series(Because of Zeus infringement, Zeus was changed to Z): Geekvape Z Max Tank.
geekvape z max tank
Classic shape
The first thing I noticed when I opened the box is that the similar shape, Z Max tank looks a bit larger than the original Zeus series. 

Leakproof Design
It`s Z-level leakproof. Industry-leading leakproof design for easy top-filling. There`s nothing you need to worry when the leakage problem has been solved. Just grab and experience zero-leakage!

Excellent airflow
Geekvape Z Max tank has a lot in common with the Zeus X, Zeus Nano, Zeus Tank…… Z(Zeus) series impressed with top-to-bottom airflow. What's more, Geekvape Z Max Sub Ohm Tank incorporates adjustable top airflow and Z-level leakproof design for zero leakage.

Large capacity
The big bubble glass tube(4ml) is pre-installed. Spare 2ml tube is also included.

M Series Coil, Max cloud-chasing
A big change over the original Z series, Geekvape Z Max Tank is compatible with turbo Geekvape M Series Coil for massive clouds boundlessly. It can provide you cloud-chasing max and relax.

TPD version
As for TPD version,Both pre-installed and spare glass tube is 2ml.

Size: 32* 55.85mm
Capacity: 4ml/2ml
Resistance: 0.14Ω M Coil (pre-installed, 60-80W)
0.2Ω M Coil(70-85W)
Drip tip: 810 drip tip
Thread: 510

1* Geek vape Z max tank
1* Spare glass tube(2ml)
2* Geekvape M series coils(pre-installed: 0.14Ω, 60-80W; spare coil: 0.2Ω, 70-85W)
1* Spare parts pack
1* Drip tip

Available Colors: Black, Gunmetal, SS, Gold, Blue, Rainbow