Improve your smoking experience and get the most out of your concentrate with the Dual Vent Air Flow Carb Cap from GEAR Premium®. This carb cap offers dual vents for increased airflow and is made of 100% borosilicate glass. Features: • 100% borosilicate glass • Dual vents for increased airflow • Easy grip handle What's Included: • GEAR Premium® Dual Vent Airflow Carb Cap