Grav Labs 14.5mm Female Octobowl

If you have a large water pipe or upright bubbler with a 14mm male joint, you can elevate your smoking pleasure by adding this GRAV Octobowl to your rig.  With 8 tiny slits in the bowl, you'll get better airflow for smoother, more satisfying  hits. 

This awesome GRAV bowl with the 14mm female joint also has a built-in glass screen to make sure herb scraps and resin don't make it to your mouth.  With the onboard arm on the side of the Octobowl, it's a cinch to hold onto this piece. 

This roomy bowl packs with ease and clears out fast. It's a 'must-have' if you want to up your smoking game with even heat distribution and smoother & cleaner hits.  The Octobowl is made of durable boro glass that's easy to clean and maintain.