Colored transparent and black glass thickness 5 mm glass tube diameter 50 mm 1 tree perc in-line diffuser 19 mm connector color will be selected randomly Double-chamber tree-branched high borosilicate water pipe is made of thick glass. It is equipped with an 18.8 mm internal threaded joint and a reinforced fixed lower rod. Start from above the thick round base of the double filtration chamber. There is a tube in the lower chamber that can filter the smoke before it rises to the upper chamber. This tube is used to raise the cooling to a new level This transparent glass double-chamber smoke gun looks great with color embellishments on the trumpet nozzle, percs and base. The tube contains an 18.8 mm male herb slide with handle..syi