We've been in labs forever...
A complete line of Dewar Flasks in sizes from 150 ml to 5000 ml designed for use in laboratory and research for handling Liquid Nitrogen. All Dewars are fully silvered, borosilicate glass in models from open vessels for use with glass flasks, wide mouth with mesh or aluminum housings, with handles or narrow necks. All well made, efficient designs provide value in cryogenic uses.
® We've been in labs forever is a registered trademark of Pope Scientific Inc .