PR1MA™ Cryo Tubes

• Ultra-pure polypropylene meets FDA 21 CFR 177.1520 & USP Class VI
• High-contrast black 100 uL 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
• HDPE cap has secure lip-seal feature so no O-ring is necessary
• Maximize tube storage within racks, boxes, and canes
• Sterile and certified free of detectable DNase, RNase, DNA, PCR inhibitors, and endotoxins

Proudly made in the USA! Click here for more made in America products!