Brown Cap Insert (C08-0685-558)

Trust your precious samples with CryoFrost Cryogenic Vials.  All CryoFrost Cryogenic Vials include the following benefits: Contrasting black 100 µL graduations are bold and easy to read Large white writing area on all tubes Available with round base or self-standing base Self-Standing base vials are compatible with the Cryofreeze GripRack Temperature range: -196°C to 121°C Optimized for vapor-phase liquid nitrogen storage Note: not suitable for immersion in liquid nitrogen Sterile and certified free of detectable DNase, RNase, DNA, PCR inhibitors, and pyrogens Endotoxin-Free Made in the USA Cryogenic Tubes with Internally-Threaded Caps Polypropylene cap has silicone rubber O-ring for a secure, leakproof seal Maximize tube storage within racks, boxes, and canes Cryogenic Tubes with Externally-Threaded Caps HDPE cap has secure, lip-seal feature so no O-ring is necessary External threads reduce contamination and cross-contamination potential Sterile and certified free of detectable DNase, RNase, DNA, PCR inhibitors, and pyrogens Cap Inserts are compatible with all CryoFrost vials for easy, simple, color coding. Available in colors to facilitate organization and identification.