6221-S0
1.8 mL Cryo Tube, External Thread, Round Base, Sterile

Volume: 1.8 mL
Cap Thread: Externally-Threaded
Seal: Lip Seal
Base: Round
Packaging: 50/unit, 10 units/case

6221-S0, 6221-S0S

• Ultra-pure polypropylene 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.
• 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.