CRYO.S, 2 ML, PP, ROUND BOTTOM, INTERNAL THREAD, YELLOW SCREW CAP, WRITING AREA, STARFOOT, NATURAL, STERILE, 100 PCS./BAG Cryo.s™ Freezing Tubes, 2 ml Free of detectable DNase, RNase, human DNA Non-Pyrogenic, non-cytotoxic Endotoxin-free 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 Suitable for shipment by air Round bottom Working volume: 1.8 ml - 2.0 ml Diameter: 12.5 mm; total height incl. lid: 48 mm With starfoot base and internal thread (with a silicone gasket) With yellow screw cap With white, scratch-resistant writing area Sterile