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Made of medical grade polypropylene; can be repeatedly frozen and thawed
Multiple threads for super sealing performance
Thickened tube wall (explosion proof) and cap for safe sample storage
External thread vials?ˉ 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
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