Hendi - Cooling Element for Negative GN 1/2 Temperatures

Designed for use in thermoboxes, it maintains temperatures between -12 and -10°C for 3-4 hours thanks to the eutectic plate. Before use: Freeze at -18°C for 24 hours or until completely solid. To check if it's ready, shake the element: if nothing moves inside, it is ready. Contains water and sodium polyacrylate.