Polycarbonate Freezer Storage Boxes
Grey Color
100-place
5-1/4" x 5-1/4" x 3-1/16"H (132 x 132 x 78 mm) 
for 3ml-4ml cryogenic tubes
24/case

Cryogenic freezer storage boxes for cryogenic tubes (or vials) from 3.0ml to 4.0ml. Made from high impact polycarbonate, these boxes are designed to be used at temperatures between -196°C (LN) and +121°C (autoclavable at 15psi/1 bar for 20 minutes). Each box is equipped with transparent covers that have alpha-numeric grids and a notched corner for proper alignment with the base. A color coding system is used to identify the different sizes of boxes. All boxes have air vents in the cover and drain holes in the base. They are stackable and made to be compatible with all popular metal freezer rack systems.