PYREX 40 mL Heavy Duty Conical Centrifuge Tube, with Pourout Case of 12

These heavy duty 40 mL PYREX conical centrifuge tubes are made with increased wall thickness for greater mechanical strength. In order to conform to outside diameter and overall length limitations imposed by centrifuge rotors and supports, it has been necessary to reduce the capacity these heavy duty tubes. Tubes have pourout spout for easy decanting.