This bubble glass is a direct replacement for the OBS Cube Mini tank with a capacity of approximately 3 ml. It is used to replace damaged or worn glass without the need to change the entire tank.
Made from pyrex/borosilicate glass, it provides clean flavor transfer and high resistance to heat. The bubble design offers extra liquid capacity without negatively affecting airflow. Installation is simple using the original O-rings.
Contents
- 1 × OBS Cube Mini bubble glass 3 ml
Features
- Type: Replacement glass, bubble type
- Material: Pyrex/borosilicate glass
- Capacity: approx. 3 ml
- Compatible with: OBS Cube Mini tank / kit
- Fit: Original dimensions with O-rings for secure sealing
Frequently Asked Questions
Does this glass fit all versions of the OBS Cube?
No, it is designed for the OBS Cube Mini and models using the same dimensions.
Is the glass easy to replace?
Yes, simply disassemble the tank, remove the old glass and install the new one with O-rings – no glue required.
Can straight glass be used instead?
Yes, if the dimensions match. Bubble glass offers increased capacity compared to straight glass.
What should I do if the glass cracks?
Replace it immediately. Pyrex/borosilicate is stronger than regular glass but can still break if dropped or hit.
About OBS
OBS is a vaping manufacturer producing tanks, glass and accessories with a focus on innovative designs and ease of use.


