�� Made of polycarbonate, chemically resistant to alcohols and mild organic solvents
�� Can be repeatedly frozen and thawed
�� 9x9 (81-well)
�� Compatible with 0.5ml, 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