These innovative test tube racks are molded in durable, high-quality polypropylene. Four sides offer different hole diameters (30mmD, 11.5mmD, 12.5mmD, 16mmD) and units can interlock in two different ways to create larger racks, easier to transport. Fully assembled. Available in five colors. Ages 7+
Durable, high-quality molded polypropylene cube-shaped test tube racks. The space-saving design has different hole diameters on each of the four sides, including large holes for 30mm diameter tubes. (30mmD, 11.5mmD, 12.5mmD, 16mmD) Available in five colors. Easy to assemble for use and disassemble for storage. Ships flat. Ages 7+
These economical durable plastic test tube racks are stackable and can be completely autoclaved. Easy to assemble for use and disassemble for storage. Ages 7+
S-shape aluminum test tube rack resists rusting. Heavy, low-form construction prevents tipping. Etched row numbers allow for easy identification. Same-size racks can slide into each other for compact storage. Ages 7+
The 3-tier design provides a clear view of the tube contents and convenient insertions and removal of tubes. These autoclavable racks can withstand sub-freezing temperatures. Material: Polypropylene.
