Wunder-Bar Bargun 12/14-Button Flow Control Module FrameThe Wunder Bar Flow Control Module Frame is the structural backbone of the 12 and 14 button commercial soda guns. This frame houses the individual flow control modules that calibrate the brix ratios for each beverage. Precision engineered from high impact, moisture resistant materials, it ensures that all internal components remain correctly aligned under the high mechanical stress of professional bar use. Essential for full gun rebuilds or for