30MM test tube rack, 5/pack

Large capacity racks. Autoclavable at 121°C for 20 min. Can be used dry, wet, in water baths. Will not float. No restrictions down length of rack so all samples will be incubated at same temperature. Can be used in freezers without deforming or going brittle. Will not ret, rust or deform. Alpha numerical grid reference on top tier for easy identification of samples. Colour coded for bath work. Stackable when empty.