CryoFreeze Tube Internally threaded Vial StarGrip Base Sterile 4.5 mL

This 4.5 mL Cryo Tube features internal thread, Stargrip^TM Base and ultra-pure polypropylene that meets FDA 21 CFR 177.1520 & USP Class VI.

• High-contrast black 100 µL graduations 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.
• Polypropylene cap has silicone rubber O-ring for a secure, leakproof seal.
• Maximize tube storage within racks, boxes, and canes.
• Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and endotoxins (pyrogens).
• Sterile