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

Cell Divider Only, Standard Box, 36 Cell - 4 6/7" × 4 6/7" × 1 5/16" - 0.82" (20mm) Cell Opening

Cell Divider Only, Standard Box, 25 Cell - 4 6/7" × 4 6/7" × 1 5/16" - 0.96" (24.5mm) Cell Opening

Standard White 3" Cardboard Box Assembled with Dividers, 64 Cell - 5 1/4" × 5 1/4" × 2 15/16"