SPECS
Material - Glass
Universally Compatible - No
Outer Diameter - 25mm
Auto Spin - No
Also Known As
Carb Cap 
Bubble Cap
Description
Take your set up to the top with this new accessory. Introducing the Inferno Bubble Cap! This cap comes in three awesome color combinations and is unique on its own, and functions like a champ!
The bubble cap design and shape are beneficial for redirecting airflow and will effectively move your product around for even heat distribution.