With its clear scientific styling

This banger nail allows you to cap the top with a marble 25mm or larger to block airflow from the top and only allow airflow to be drawn in through the angled slits

Enjoy a 30mm diameter Helix style carb cap for efficient airflow control

Stemless Design – sleek

Types: Round Mouth

Christmas Tree Glass Carb Cap Puffco plus With its clear scientific stylingDoes the holiday season always seem to pass too quickly? You can enjoy that Christmas feeling all year long with these awesome Christmas tree shaped cab caps. Shaped as cute Christmas trees, these carb caps deliver directional airflow for the most enjoyable vaping experience.