Cryo.s™ Freezing Tubes, 1 ml / PK100 -Free of detectable DNase, RNase, human DNA -Non-Pyrogenic, non-cytotoxic and CE-marked -Made of high-grade polypropylene which guarantees high thermal resistance in a temperature range from -196°C to +121°C -As a saftety precaution Cryo.s™ should be stored in a freezer or exclusively in the gas phase over the liquid nitrogen -Conical bottom -Working volume: 1 ml - 1.2 ml -Diameter: 12.5 mm; total height incl. lid: 42 mm -With starfoot base and internal thread (with a silicone gasket) -With screw cap in natural -With white, scratch-resistant writing area Sterile