CryoCoolers, 12 Vials

Details:

Cryo-Safe Mini -20C. 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 ?25?c freezer for at least 24 hours, store at ?25?c between use.