Cryogenic Vial+Box with Side Bardcode-2.0ml External Thread. 6 Sets/Pack

● Made of medical grade polypropylene; can be repeatedly frozen and thawed

● Combo: 2.0 ml vials and 2 Inch boxes

● Thickened tube wall (explosion-proof) and cap for safe sample storage

● External thread vials’ caps lack o-rings, which reduces the possibility of contamination

● Black graduation printing and white writing area

● DNase & RNase free, endotoxin-free, foreign DNA free

● Gamma radiation sterilized; autoclavable

● Working temperature: stable from -196°C to 121°C

● Suitable for liquid nitrogen freezing (vapor phase)