Heathrow Snap-Together Test Tube Racks are designed to hold a wide range of test tube sizes. They snap together in seconds. For easy storage, users can disassemble the racks. Racks are shipped in their disassembled state.
The test tube racks hold test tubes ranging in size from 13 mm to 20 mm. Total capacity of the test tube racks decreases as the size of the tubes increases. The rack that holds 13 mm tubes, for example, can hold 90 tubes. The rack that holds 20 mm tubes only holds 40 tubes.
Heathrow Scientific® Snap-Together Test Tube Racks can withstand a variety of common laboratory environments. The racks can be used at standard room temperature (benchtop), in cool temperatures (refrigerator), or in warm/damp conditions (water bath). The polypropylene construction is economical and durable. All racks can be autoclaved.