Test tube racks Plexiglas (PMMA), 12 x 40mm

Standard White 3" Cardboard Box Assembled with Dividers, 81 Cell - 5 1/4" × 5 1/4" × 2 15/16"

Standard Yellow 2" Cardboard Box Assembled with Dividers, 81 Cell - 5 1/4" × 5 1/4" × 2"

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