... -well dividers. 5 Assorted Colors. prepacked in packs of 5 Cardboard Freezer Boxes. Cardboard Freezer Boxes: Assorted colors, superior coating in red, blue, green, yellow, and ... , used for upright freezer or chest freezer racks. Temperature Range: -196 to +121, 100 boxes/case. Cardboard Freezer Boxes.CE certificate is available from Biologix now! Cardboard Freezer Boxes