Premium 4.5L Blue Enameled Steel & Glass Dewar Flask with Handle, Secure Lid & Clamps - Perfect for Coffee, Tea, Camping & Laboratory Use

These economical Dewar flasks, featuring a blue enameled stainless steel outer container with a borosilicate glass inner flask, can safely be used with all liquid gases. Available in four capacity sizes, the Dewar flasks are specially designed for laboratory, hospital, and industrial use. The 1-, 2-, and 4.5-L models are also available with lid clamps.