Freeze cells in tubes from 1 to 5mL using the Thermo Scientific™ Mr. Frosty™ Freezing Container. The simple to use system is designed to achieve a rate of cooling very close to -1°C/minute, the optimal rate for cell preservation.
Containers have 4.75 in. diameter (120mm) closure
Isopropyl alcohol and a mechanical freezer
Warranty: 90 days