Interlocked racks. Rotate each of the four modules independently. Use several sizes of test tubes, culture tubes, centrifuge tubes or microcentrifuge tubes at the same time. Autoclavable.
Each module holds:
2 x 50 ml tubes, 8 x 10-15 ml tubes, 6 x 15-20 ml tubes or 10 x 10-13 ml tubes
Test tubes racks PP
Racks for micro-tubes
Micro-tubes stands