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

Cell Divider Only, Standard Box, 49 Cell - 4 6/7" × 4 6/7" × 1 5/16" - 0.66" (16.7mm) Cell Opening

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, 64 Cell - 4 6/7" × 4 6/7" × 1 5/16" - 0.57" (14.6mm) Cell Opening