81/100-Well PC Cryogenic Boxes, Freezer Boxes for Sample Storage, Assorted color
1.5ml or 2.0ml microtubes and cryogenic vials. Cryogenic box is numbered grids for sample identification, drain holes and air vents minimize condensation. These freezer boxes are suitable for storage in freezers or liquid nitrogen(vapor phase), working temperature: stable from -196°C to 121°.