4ml Replacement Bubble Glass Tube - 4ml
The original glass tube for Z Max Sub-Ohm Tank.
Made of high quality Pyrex glass with bubble design.
5.5ml Replacement Bubble Glass Tube - 5.5ml
For Z Dual RTA (5.5ml) / ZX RTA (4.5ml)/Z Sub-Ohm Tank (2021) (5.5ml).
A great choice for those who prefer larger capacity tanks.
