● Made of polycarbonate, chemically resistant to alcohols and mild organic solvents
● Can be repeatedly frozen and thawed
● 9x9 (81-well) boxes
● 1.5ml or 2.0ml microtubes and cryogenic vials
● Boxes feature numbered grids for sample identification
● Drain holes and air vents minimize condensation
● Five assorted colors available
● Suitable for storage in mechanical freezers
● Temperature range: stable from -90°C to 121°C