Sterile internally threaded cryo vials.

• Polypropylene cryogenic vials with internal threads
• Can be used at temperatures as low as –196 °C (Note: Not recommended for use in the liquid phase of liquid nitrogen. Can be used in vapor phase of liquid nitrogen.)
• Feature large white frosted labeling area, silk screen graduations and cap embedded with non-toxic silicone O-ring for secure seal
• Radiation sterilized; DNase, RNase, and Pyrogen-free

Cryo vials are designed for storage of samples as low as –196°C*. DNase, RNase, and Pyrogen-free. Radiation sterilized. Polypropylene vials include a cap embedded with a non-toxic silicone O-ring for a secure seal, a large white frosted labeling area, and silk screen graduations.

Star base and round base vials have an internal U-shaped bottom. Self-standing star base vials are designed for one-handed use with a support rack.