Steam autoclavable at 121°C (250°F). Dimensions 213mm x 110mm (8-3/8" x 4-5/16"). Durable polypropylene rack that sinks to the bottom of a water bath and remains upright when agitated. Height: 111mm (4-3/8"). Height top deck: 57mm (2-1/4"). Places: 72. Rows: 6 x 12. Tube size: 10-13mm.