Corning® CoolBox™ All-Day Cooling and Freezing Workstation manufactured by Corning is used for sample cooling or freezing without ice, electricity or batteries. CoolBox system can hold accommodate a variety of sample formats and temperatures. The modular design enables the use of CoolRack™ and CoolSink™ thermo-conductive sample modules to hold microfuge tubes, cryogenic vials, PCR tubes or plates, assay plates and more.