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These ultrapure, high-clarity polypropylene SafeStore cryotubes are for storing samples of various compositions at -196°C to +121°C, from nitrogen storage to autoclave conditions. Suitable for vapor-phase liquid nitrogen storage and not for immersion in liquid nitrogen. The large writing patch enables you to write any indication needed for sample tracking.

Like most SafeStore products, these cryotubes are supplied sterile and certified free of detectable RNase, DNase, DNA, and PCR inhibitors, and tested pyrogen-free. Furthermore, they are resistant to various solvents for long-term cold storage, all SafeStore cryotubes have bold black graduation marks for easy reading.