Dewar flasks Nalgene™, Type 4150, HDPE

With vented, insulating HDPE lid. PE covered handle. Unbreakable and completely safe for short term storage of ice water, dry ice solvents and liquid nitrogen. Also suitable for use as warming baths. Chemical-resistant, reinforced walls, filled with urethane foam, are temperature resistant from -196 to 100°C. 1, 2 and 4 litre flasks have a carrying handle.