Globe Scientific Tuffblok Xl 4-Way Tube Racks

Autoclavable polypropylene , heavy-duty construction is durable and chemical resistant. Multiple colors available for benchtop organization at a glance. Versatile design accommodates different tube sizes on each side. The four sides hold 50mL or 30mm diameter tubes; 20mm diameter tubes; 15mL or 17mm diameter tubes; and 12mm diameter tubes