With a diameter of 7mm

This piece also has Grav's signature geometric pressed pinch

The buckle and carabiner are made from stainless steel for added durability

The 8" tall Buoy Base Bong by LA Pipes is crafted using thick scientific glass

GRAV® STAX Trumpet Mouthpiece LED Screen With a diameter of 7mmDraws get quicker with this streamlined mouthpiece. The STAX collection from Grav Labs is the first modular water pipe series available on the market. That means you can tailor your pipe yourself, for a personal fit. Add percolation, dial in airflow, and build your bong as tall as you want. All with the same quality glass you expect from Grav Labs. Adding the trumpet mouthpiece to your STAX set will provide a more concentrated draw setting up for