Unlock a smooth, powerful experience with the GRAV® Large Gravitron® Gravity Bong. Crafted from durable borosilicate glass, this premium gravity bong utilises gravity and pressure to create massive, filtered hits with zero waste. The upgraded platinum-cured silicone grommet ensures a tight seal for smooth operation, while the 18mm female ground joint lets you easily customise with any 18mm male cone piece. Standing at 29cm, it’s perfect for parties or personal sessions. With a rubber base seal for safety and a user-friendly design, the Large Gravitron is the ultimate smoking device for those seeking high-quality, efficient hits.