True North® Cryogenic Vials
Heathrow ScientificInnovative design saves space in your freezer! We have designed the first externally threaded vials that fit 100 to a standard cryostorage box, so you use freezer space 23% more efficiently as compared with leading cryogenic vial brands. Each vial has extra-thick walls for superior puncture and rupture protection, imprinted writing area, graduation marks, silicone rubber seal ring, and self-standing base. Unique lid (patent pe…