בלוק הקפאה לאנזימים Cool-Box 12 tubes

בלוק הקפאה לאנזימים  Cool-Box 12 tubes
Cool-Box -20?, Size: 12x1.5ml
Will maintain under -15°C for approx. 1/2 Hrs after removal from freezer.
Cool-Box is designed to maintain your sample´s temperature for a short period outside the freezer (1-3 Hours), 
or for protecting sensitive samples from temperature fluctuations inside the freezer.
The polycarbonate body contains a non-toxic gel, that will maintain the temp. it acquires after a 24 hours freezing period, upon removal from the freezer. The gel is completely separated from the sample tubes, preventing any damage to labels or markings.

 Freeze -20°C Cool-Boxes at -20°C to -25°C for 24 hours before use