KGW Isotherm Type FB-0-CAL flat bottom Dewar flask with grip and flexible applications in laboratory, cooling of small samples, storage of liquid nitrogen (LN2), dry ice (CO2) or other refrigerants,storing and internal short-distance transport, suitable for use on magnetic stirrers or as an insulating flask. Antimagnetic aluminum cover. Borosilicate interior 3.3.. Maximum LN2 capacity of 150 mL, evaporation rate of 0.25 L/d. Chamber dimensions (Ø*height) 37*140 mm; totals (Ø*height) 58*170 mm.