This sturdy, 400mm high, glass bong has a double reinforced Down-Pipe mount for the SG 19 / SG 14 Down-Pipe Diffuser-Adapter. As the smoke travels up, it passed through a 4-Arm Tree-Percolator, making it swirled vigorously. This ensures optimum cooling and filtering of pollutants, which then settle in the bong. The smoke is then not so scratchy and gentle in the draft. Thanks to the Ice-Notches it can be chilled. Complete with a large green rim SG 14 Roll-Stop bowl.