TEST TUBE RACK HOLDER

White 2" Cardboard Mini Box with Drain Slots Assembled with Dividers, 25 Cell - 3" × 3" × 2"

Standard White 2" Cardboard Box Assembled with Dividers, 25 Cell - 5 1/4" × 5 1/4" × 2"

Cell Divider Only, Standard Box, 81 Cell - 4 6/7" × 4 6/7" × 1 5/16" - 0.50" (12.7mm) Cell Opening