MTC Bio's 5mL MacroTube® Freezer Boxes are a reliable, eco-friendly storage solution for cryogenic needs. Made from recyclable materials and liquid-resistant coating, they are available in 5x5 and 6x6 versions, holding 25 and 36 tubes respectively. Numbering grids on top, bottom, and sides provide convenient organization, while drainage slots ensure safe liquid nitrogen use.
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