Brand:NANBEI Model:NB-50L The kettle body is designed by 50L double layer jacketed glass reactor,the inner layer into the reaction solution to do the reaction was stirred interlayer can pass into the type of the cold heat source circulating heating or cooling the reaction can also be used in high temperature, low temperature, or vacuum experiment reflux and distillation of the reaction solution. It is the ideal equipment for primary and secondary schools of modern chemistry experiments, biopharmaceutical and synthesis of new materials.