Biocooler is designed to consistently maintain subzero temperatures of micro-tubes. Benchtop freezer keeps enzymes and valuable samples at -20°C to -15°C for up to 4 hours at room temperature. Protects samples from temperature fluctuation due to frost-free cycles, power loss, or open freezer doors. Features inner note panel for referencing samples and carrying handle for convenient transporting. Ideal for enzymes and reagents Mantains consistent subzero temperature Polypropylene Dimensions: 21.5 x 9.5 x 20 centimeters Ideal for enzymes and reagents Maintains subzero temperature