For 3ml-5ml cryogenic tubes
Polycarbonate Freezer Storage Boxes
Hinged, Transparent Lid
Base Color: Amethyst Purple
81-place
5-1/4" x 5-1/4" x 3-3/4"H (133 x 133 x 96 mm) 
5/pack

Cryogenic freezer storage boxes for tubes (or vials) from 3.0ml to 5.0ml. Made from high impact, thermo-resistant 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, corner tab for positive opeing assistant, color coding, air vent holes, drain slots, and generous writing areas. 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.