Medium volume bubbler with Showercap percolator for medium open and moderately cool rips!  Comes with 14mm Male Trumpet Cooling Mouthpiece as well as 14mm Whip to Glass Mouthpiece.  14mm Female Connection.  Medical Grade Silicone Tubing outer diameter is 11.0mm and inner diameter is 7.0mm.   Please note there may be small variations in the forming of glass.  Each piece is expected to function perfectly but there may be small variations in the glass from a visual standpoint.   Dimensions: 3.5in X 3.5in X 3.5in  Height at tip of mouthpiece: 8in *Cell Mega and Cell in picture for comparison purposes only.  You are only buying one item!