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Clear polycarbonate lid shows positions of tubes; keyed to correspond with positions printed on cooler
Molded side handles allow secure grip for transfer
Rubber feet prevent sliding on the lab bench
Stackable
This small cooler safely holds twelve 0. 5, 1. 5 or 2. 0ml microcentrifuge tubes or cryogenic vials at a temperature below -15°C for approximately 1 hour. Ideal for protecting valuable samples stored in a freezer with defrost cycle. Use included insert to hold 0. 5ml microcentrifuge tubes. Store at -20°C for 24 hours prior to use.