Description
- Cap has silicone rubber o-ring for a secure, leakproof seal
- Made of FDA-approved , medical grade polypropylene with HDPE caps
- Packaged in resealable, stand-up pouches that minimize use of benchtop space
- Large white writing area and black graduation marks every 100ul
- Round base and self-standing stargrip bases available
- Sterile, Certified RNase, DNase, DNA, PCR Inhibitors and Endotoxin Free
- Ideal for vapor-phase liquid nitrogen freezing. WARNING: Vials not designed for use in the liquid phase of liquid nitrogen
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