Cooler -20c Cryo Safe Mini, Each

Details:

Cooler^ -20 c, cryo-safe* mini, holds 12 microcentrifuge tubes 0.5 Or 1.5Ml below -20 c for over 1 hour. Use for bench top or transporting. Wire handle secures top while carrying. Filled with non-toxic gel. Prior to use, place in  25ªc freezer for at least 24 hours, store at  25ªc between use.