.5ml Cryogenic Vial, Sterile, External Threads, Self Standing

These quality vials are manufactured of USP Grade IV polypropylene and designed for cryogenic storage and transport of biological specimens at temperatures as low as -196°C. Special screw cap designed w/o silicone washer to minimize contamination.

* Clear graduation marks for exact measurements
* Large white writing area for manual specimen identification
* Tubes and caps are fully autoclavable (121C/15 lbs)
* Certified RNase/DNase free and non-pyrogenic
* Available with colored cap inserts for easy ID