GRAV Gravitron 2.0 Large - Upgraded All-Glass Gravity Bong Size|50mm so you can trust its

so you can trust its quality and durability

adjustable design

and pipe cleaners for added convenience

depending on your preference

It features a Swiss style percolator

GRAV Gravitron 2.0 Large - Upgraded All-Glass Gravity Bong Size|50mm so you can trust itsThe world's first all glass gravity bong got a facelift. This new and improved version 2. 0 Gravitron boasts a fivefold increase in glass thickness and upgraded platinum cured silicone grommet for a tighter seal. The 19 mm female ground joint now fits any 19 mm male bowl and the flange at the top of the neck makes lifting the bottle a breeze. The Gravitron creates big, efficient hits through gravity and pressure. Start by filling the base halfway with