McKesson Brand McKesson Tube Cube Rack, 3 x 3 x 3 Inch (4/BX)

McKesson Brand McKesson Tube Cube Rack, 3 x 3 x 3 Inch (4/BX)

• Test tube rack holds nine 8 – 16 mm tubes.
• 3 x 3 x 3 inch test tube rack not only holds tubes but also cradles their bottoms; the middle section also grasps the tubes at their mid point: Your test tubes will definitely be secure in this rack.
• Test tube rack is intended for laboratory use but those who breed monarch butterflies also find them useful to set up milkweed cuttings .