Bubble carb caps ushered in new generation of carb caps that work with thermal bangers. These Chemical Thermal Bubble Carb Caps allow you to control the airflow direction by moving the cap around. This helps maximize oil vaporization for low temp dabs. This movement also means you'll use up all your concentrate to reduce waste.

This glass thermal bubble carb cap is a must-have dabbing accessory. While it does work with quartz banger nails, it works best when used with thermal quartz banger nails.