GRAV Gravitron 2.0 Medium Gravity Bong with Silicone Seal & 14mm Joint Size|10.6" x 6.3" It is also cross compatible

It is also cross compatible with all Elite Series products

With 6-layer technology and a built-in combination lock

Hold the cap in place and bang it on a hard surface to finish packing the cones

these papers won't produce any ash

GRAV Gravitron 2.0 Medium Gravity Bong with Silicone Seal & 14mm Joint Size|10.6" x 6.3" It is also cross compatibleThis is the smaller version of the large Gravitron, but it still packs the same kind of punch you'd expect from a gravity bong. 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 14 mm female ground joint now fits any 14 mm male bowl and the flange at the top of the neck makes lifting the bottle a breeze. The Gravitron creates big, efficient