Designed for storing biological material, human or animal cells, at temperatures as low as -196 °C (but should be used only in the gas phase of liquid nitrogen). The cap features a long skirt for easy one hand septicmethods, the same super fast thread design allowing it to be removed orsealed with amere 11/4 turn, and the same inside thread design that will not contribute to possible contamination. But this cap also features an exclusive silicone seal fitted inside the cap to ensure a positive seal at anytemperature, even the lowest of cryogenic temperatures. Tubes are provided with a white marking area forsample entification and can be color coded by the use of a CAPINSERT (Series T312). The Simport CRYOVIAL is compatible withmoststorage systems. T310-2 can be centrifuged up to 17,000g. Vials are sterilized by gamma adiation and are packaged in unique tamperproof,resealable,safety-lock bags of 100. Autoclavable.