Shatterproof High-Density Polyethylene Dewar Flask w/cover. For short-term storage of ice water, dry ice-solvent and liquid nitrogen. Chemical-resistant HDPE double walls are filled with CFC-free urethane foam and withstand temperatures from -196°C to +100°C. Vented, insulated cover. All sizes feature molded-in ribs, cover securing tabs, pour spout, and bottom grip area for added safety. Convenient polyethylene-coated bail-type handle. WARNING! Do not use cryogenic vials for storage in the liquid phase of liquid nitrogen. Such use may cause entrapment of liquefied nitrogen inside the vial and lead to pressure build-up resulting in possible explosion or biohazard release. Use appropriate safety procedures as outlined in the NALGENE Cryopreservation Manual (Lit. No. 10096) when handling and disposing of vials.
