2.0ml Sterile Cryogenic External Thread Vials w/Purple Cap
- Made of medical grade polypropylene, autoclavable, and can be repeatedly frozen and thawed
- External thread screw vial caps have no o-ring, which reduces the possibility of contamination
- Fit 9×9 (81-well) standard cryogenic boxes
- Tubes with black graduation printing, tubes top with white writing area, base with six corners, convenient to be operated
- Gamma radiations sterilized RNase and DNase free, endotoxin free and foreign DNA free.
- Working temperature: stable from -196°C to 121°C
- Suitable for liquid nitrogen freezing