4.0 ml Cryovial, Self-standing, Sterile, External Thread

Features:

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). A silicone washer between cap and vial ensures a positive leakproof seal at all temperatures. A 1 1/4 turn of the cap is sufficient to seal the vial.

Cap features an exclusive silicone seal fitted inside the cap to ensure a positive seal at any temperature, even the lowest of cryogenic temperatures.

19310-2 can be centrifuged up to 17,000g. Vials are sterilized by gamma radiation and are packaged in unique tamperproof, re-sealable, safety-lock bags of 100.

Autoclavable.