Grav® Large Gravitron Gravity Bong

The notorious Grav Gravitron just got a facelift. The Gravitron is the world’s first-ever all-glass gravity bong, and this new and improved version boasts a fivefold increase in glass thickness for more durability than its predecessor. The Gravitron 2.0 also received an upgraded platinum-cured silicone grommet for a tighter seal. Rather than using the custom 12mm Gravitron accessories of the past if things break, the Gravitron 2.0 is equipped with an 18mm female joint so you can use your own 18mm bowl pieces and other accessories without the need to reorder specific parts. The interior bottle was also redesigned with a more powerful look, and a flange at the top of the neck provides a more ergonomic grip that makes lifting the bottle on each hit a breeze. The Grav Gravitron combines the highly potent rips of a gravity bong with the cooling properties of a borosilicate glass pipe for an all-around affordable crowd-pleaser that any smoker will enjoy. The Large Gravitron is the biggest