It is visually stimulating but wait until it stimulates your dabbing experience. This plain red carb cap is made out of heat resistant and highly durable borosilicate glass to take on frequent rapid heating and cooling. It is definitely an addition to the beauty of your pipe and packs even more perks. The carb cap ensures optimal airflow and maximum vapor production. It ensures all your concentrates are vaporized and filled with intense flavours. So if you keep missing the taste of your favorite wax, this is how you undo it.Heat resistant and highly durable borosilicate glass | Beautiful addition to your rig | Enhances vapor production | Controls airflow.