Bel-Art Cryo-Safe Mini Quick-Freeze Cooler; For 0.5 Or 1.5mL Tubes; 12 Places, Plastic, 5¾ x 4 x 3¾ In.

Can be used for up to 45 minutes to rapidly and repeatedly chill biological samples for use in molecular biology. Applications such as ethanol precipitation of DNA/RNA samples are made easy, eliminating the inconvenience of traditional dry ice and alcohol baths. After storing the polycarbonate cooler overnight at -20ºC, inserted samples freeze within a few minutes. Use included insert to hold 0.5ml microcentrifuge tubes. Store at -20ºC for 24 hours prior to use.

• Holds twelve 0.5 or 1.5ml microcentrifuge tubes
  

• No direct contact between the tubes and the insulating solution; labels and markings are safe
  

• Clear polycarbonate lid shows positions of tubes and is keyed to correspond with positions printed on cooler
  

• Molded side handles allow secure grip for transfer
  

• Rubber feet to prevent sliding on the lab bench
  

• Stackable