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 of the Rota-Rack® for large tubes holds 2 x 50ml tubes, 8 x 15ml tubes, 6 x 20mm tubes or 10 x 10/13mm tubes. Each module of the Rota-Rack® for microtubes holds 6 x 15ml tubes, 9 x 1.5/2.0ml tubes, 12 x 0.5ml tubes or 32 x 0.2ml PCR tubes or 4 x 8-tube strips.