Cole-Parmer Transportable Dewar flask, 1 L

These silvered and evacuated Dewars feature rugged casings made of galvanized steel plate with a baked enamel finish. An insulated synthetic lid seals the vessel and locks for transport with two spring clips. Clips and a detachable bail-type handle included. Note: For dry ice and liquid nitrogen storage, drill a 2-mm hole in the lid.