● 2D barcode and human-readable numbers on the side of SBS format racks; 2D barcode at the bottom of racks, cryogenic vials and racks can be traced at the same time. 

● Simple yet powerful mechanical locking function and slide the buttons on both sides to unlock .

● Laser etched 2D barcodes, resistant to DMSO and other organic solvents .

● SBS format rack fits 96-well format cryogenic vials perfectly for automatic operations .

Specifications 

● Working temperature: stable from -196°C to 121°C .

● Suitable for liquid nitrogen freezing.