General fiberboard boxes are made of paperboard, corrugated fiberboard, or engineered wood product that uses wood fibers. They can be used for needs such as sample storage, radioactive isotope storage, or glass disposal. Types of fiberboard include particle board, medium-density fiberboard (MDF), and hardboard.
Designed to ensure that the tubes contained will remain in their appointed wells even if the box is tipped or knocked when the lid is in place. Microtube Boxes have a low profile and will fit into most standard freezers.