Gordoscientific Riptide caps come in three different styles: Banger, Bubble, and Airflow Directional. These unique riptide section within the cap adds restriction to you overall airflow.
Banger Cap – made for standard or XL bangers
Bubblecap – made for flat top bangers up to 30mm in diameter
GTR – made for alternate airflows. They fit V2 Gavels by Highly Educated
And airflow directional cap – made for XL bangers