Azenta Life Sciences TruCool Hinged CryoBoxes feature a patented hinged lid that offers convenience and archival integrity, ensuring IDs and vials remain coordinated. To minimize the risk of separation and contamination the lid is fastened to the base, making it easy to open and close even when frozen. Feature plastic, adjustable slats that can be moved to accommodate multiple vial sizes. Recommended for use at room temperature, 4˚C, -20˚C, -80˚C and vapor phase LN2. Not recommended for use in LN2.