Externally Threaded Cryogenic Vials Cryogenic vials are the ideal choice for long-term storage of sample in the harshest environments. These thick-walled tubes are outfitted with silicone O-rings that allow them to maintain their seal at temperatures as low as -196°C. Sterilized by gamma irradiation, Cryogenic vials are designed to hold, store, and preserve biological materials for days, weeks, years, or decades. The self-standing starfoot base mates perfectly with an include rack so that one hand is all that is needed to install and remove caps. Temperatures as low as -196°C Self-standing star foot Leak-proof silicone O-ring Resealable bags of 50 Gamma sterilized Free locking rack RNase, DNase, pyrogen, & endotoxin free Material (tube/cap): LN2 grade polypropylene Material (o-ring/washer): Silicone Temp Range: -196°C to +121°C* Vial Diameter: 12.5mm *LN2 gas phase only; not for liquid phase Specifications SKU # Product Description V3801 Cryogenic Vials, externally threaded caps with silicone O-ring, 1mL, sterile, printed graduations and marking area, self-standing star foot, 50-place locking rack included with each case, 10 resealable bags of 50 tubes, 500/cs V3802 Cryogenic Vials, externally threaded caps with silicone O-ring, 2mL, sterile, printed graduations and marking area, self-standing star foot, 50-place locking rack included with each case, 10 resealable bags of 50 tubes, 500/cs V3803 Cryogenic Vials, externally threaded caps with silicone O-ring, 3mL, sterile, printed graduations and marking area, self-standing star foot, 50-place locking rack included with each case, 10 resealable bags of 50 tubes, 500/cs V3805 Cryogenic Vials, externally threaded caps with silicone O-ring, 5mL, sterile, printed graduations and marking area, self-standing star foot, 50-place locking rack included with each case, 10 resealable bags of 50 tubes, 500/cs