Double-sided blue cooling box to -20 °C

for 20 reaction tubes of 0,5 ml on one side or 20 vessels of 1,5 or 2 ml on the other side. For cooling cells, enzymes, biochemical reagents or other temperature-sensitive samples on the laboratory bench, for transporting frozen samples or as a storage box in the refrigerator to protect against temperature fluctuations and power failure. Boreholes on both sides are marked alphanumerically. With gel filling and transparent lid. Once removed from the refrigerator, the boxes maintain a temperature of 0 °C (white box) for at least 5 hours or a temperature of - 15 to - 20 °C (blue box) for a maximum of 2 hours. Dimensions of the boxes (with lid) L 170 x W 110 x H 105 mm.