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 version of Grav's namesake gravity bongs, standing at 11.5” inches tall, and this party pipe is still as much fun to use as when it was invented back in 2004. Constructed from high-grade borosilicate glass, the Gravitron is the first gravity bong you won’t need to hide away while entertaining guests. A rubber seal lines the base perimeter of the inside bottle, preventing glass-on-glass contact for a seamless user experience. If accidents do somehow happen, all parts are affordable and easy to replace. 

To use the Large Gravitron Gravity Bong, fill the base about halfway with water until the water level is just below the Gravitron decal. Place the bottle inside the base and pack the included 18mm bowl slide with your favorite dry herbs. Begin lighting your bowl while slowly pulling the bottle upwards at the same time. Gravity will cause the bowl to self-ignite as you continue pulling upwards, and the inner bottle will fill with smoke the higher you pull it. Finally, remove the bowl from the bottle and inhale from the mouthpiece as you lightly push the interior bottle back down into the water. This movement creates a pressurized flow of smoke that results in powerful, robust hits. The Grav Gravitron’s unique functionality is just as impressive to watch as it is to use, and you’ll understand in no time at all why this design has lasted the test of time!

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Compatible with Dry Herbs 🌿
Grav® Large Gravitron Gravity Bong
First Grav Labs Product Created
Platinum-Cured Silicone Lining
Premium Borosilicate Glass
Black Gravitron Decal
Replaceable Parts
11.5” inches Tall
Improved Grip
Easy to Use
Gravitron 2.0
Newest Version
5x Thicker Glass
18mm Female Joint
18mm Funnel Bowl Piece
Sturdy 3.75” inch Base Diameter
World's First All-Glass Gravity Bong

Box Includes:

1 x Large Gravitron Bottle 
1 x Large Gravitron Base
1 x Grav 18mm Funnel Bowl

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