CG-1538-01 Chemglass Flask Round Bottom 500mL Heavy Wall Jacketed flask with on 29/42 and 2 24/40 Vertical Neck 

This Jacketed flask can be precision temperature controlled by recirculating cold or hot liquids through the jacket and maintaining perfect reaction temperatures (recirculator dependant)

Round bottom, HEAVY WALL, three-neck flask with standard taper outer joints on the center neck and vertical side necks. The flask is fully jacketed with two hose connections for circulation of heating or cooling liquid with 3/8" or 9.5mm hose ports.