Black Beaker Bong with 8-Arm Tree PercFlow are known for creating stuff that is a little different and this beaker bong is definitely not your average water pipe. It's base is coated in black apart from a small ring around the bottom. The bong joint is a massive 29. 2mm which means that the 18. 8mm downstem joint doesn't have to reduce it's inner daimeter to fit and so you get almost no restriction. After passing through the diffuser slots in the bottom of the downstem the smoke has to