Fisherbrand™ Cork Supports manufactured by Thermo Fisher Scientific are durable, compressed cork lab rings used to support dishes and round-bottom flasks.
Specification
Autoclavable:Not Autoclavable Material:Cork Height (English):1.18 in. Height (Metric):3 cm Type:Cork Ring Stand Diameter (English) Outer:4.33 in. Diameter (Metric) Inner:6 cm Diameter (Metric) Outer:11 cm For Use With (Equipment):Concave recesses support dishes and 200 to 500mL round bottom flasks