Nalgene® Polyethylene Dewar Flask

High density polyethylene Dewar Flask with vented and insulated HDPE covers. They are unbreakable, chemically resistant, and withstand temperatures from -196 to 100°C (-321 to 212°F). Double walls are filled with foamed urethane to minimize heat exchange. May be used for short term storage of dry ice-solvent, liquid nitrogen, or for use as a hot bath. They are ideal for storing frozen biological specimens. All available sizes feature molded-in-ribs for stability and a carrying handle on the 1, 2, and 4 liter sizes.

Available Options:

Additional information

Capacity L

1, 2, 4, 10

Overall heigh mm/in

299/9, 260, 324, 457

Mouth I.D. mm/in

95/3, 121, 146, 197


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