These polypropylene cryogenic vials feature a self-standing star base designed for easy one-handed manipulation when used with a support rack. Vials include an internal U-shaped bottom, large white frosted labeling area, silk screen graduations, and a leak-proof HDPE cap.
Ideal for used in vapor phase of liquid nitrogen but are not recommended for use in the liquid phase of liquid nitrogen.

Warning: This product is not approved or intended for, and should not be used for medical, clinical, surgical or other patient oriented applications.