Cryo freezing container, Mr Frosty, Nalgene 36620-17 The new design includes block

The new design includes block lid

Temperature range of 0 to 40°C

Removes up to 98 percent of unwanted vertical and horizontal vibrations

Choices of blocks (must be ordered separately)

Cryo freezing container, Mr Frosty, Nalgene 36620-17 The new design includes blockPolycarbonate container with polyethylene lid, foam insert and polyethylene vial holder Provides repeatable 1C minute cooling required for successful cryopreservation and recovery Holds up to 18 vialsnAccepts 1. 0, 1. 2, 1. 5 and 2. 0ml vials Supplied with step by step instructions To use simply fill the container with isopropyl alcohol and place in a 70C freezer for four hours. Remove the frozen vials and store in a long term storage system