Heathrow Scientific HS120052 Duraporter Sealed Specimen Tote or Sample Transport Box, Polycarbonate, Water-Tight, Red Ideal for transporting biological and clinical samples, as well as instruments and products that you want to keep clean and dry under testing environmental conditions. The clarity of the Duraporter enables the user to visibly check sample integrity, so that it can be opened using the right precautions. Silicone water-tight seal and three lid clasps provide secure closure Carry handle folds neatly into body space allowing the units to be stacked Use the separators provided to create your own compartment sizes, or use empty to transport larger products and equipment