CryoFreeze Tube Externally threaded Vial StarGrip Base Sterile 1.8 mL

The 1.8ml Cryo Tube with external thread and Stargrip^TM Base are made out of ultra-pure polypropylene that meets FDA 21 CFR 177.1520 & USP Class VI. Featuring high-contrast black 100 µL graduations that are bold and easy to read.

• Large white writing area on all tubes.
• Optimized for vapor-phase liquid nitrogen storage. Note: not suitable for immersion in liquid nitrogen.
• Temperature range: -196°C to 121°C.
• HDPE cap has secure lip-seal feature so no O-ring is necessary.
• Maximize tube storage within racks, boxes, and canes.
• Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and endotoxins (pyrogens).