LARGE GRAVITRON Gravity Bong

The world's first all-glass gravity smoking system 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.

SPECIFICATIONS: Joint: 19 mm Length/Height: 11 in. Comes with: 19 mm funnel bowl Food safe platinum cured silicone grommet