These Corkscrew Swirl Nipple Carb Caps are multi directional airflow, nipple-style carb caps. These carb caps have a 30mm diameter and function with any banger with a 30mm width or smaller. Multi directional airflow carb caps are designed to circulate air within the banger as you inhale to burn your concentrates more evenly. Carb caps come with assorted color swirl designs.
