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A gravity bong made for a serious smoke!

This is one of Grav Lab’s signature creations. One of the first things they came out with is the Gravitron, now available in two sizes.

Gravity bongs work by filling the base cylinder with water, submerging the top part.  Once you pack the bowl at the top, ignite the tobacco or herbs (try using our VioSparc Flameless Plasma lighter) and simply pull the top chamber upwards - the power of the vacuum created from the suction will draw the lit bowl to fill the inner chamber with smoke.

No smoke is lost because of the design of the inner chamber, so smoke can be inhaled without leaking. This piece is made from extra heavy glass, making it nice and durable. Add the Gravitron to your collection today, it won't disappoint.

  • Gravity Bong is 14" Tall
  • All glass downstem and bottle
  • Premium Materials

Decal color may vary.

Looking for a smaller version?  Check out the Medium Sized Model.




  • Branded Glass
  • Clear Glass

Product SKU: G04

Included in Your Purchase

  • Gravitron Gravity Bong - Large Model
  • Matching Dry Herb Bowl
  • Free, Fast Shipping (in the US)
  • Discrete Packaging
  • 100% Satisfaction Guarantee
  • Expert Product Support

Product Video