The Harvard Apparatus Pump 33 dual drive system from Harvard Apparatus, Holliston, Mass, features two independent pumping channels controlled by an intuitive touchscreen interface. The multipurpose syringe pump employs advanced syringe mechanisms that include a tight gripping, secure syringe clamp that accommodates syringe sizes from 0.5 µl to 60 ml. The system offers enhanced flow performance with ± 0.25% accuracy and smooth flow from 1.02 pl/min to 106 ml/min. For more information, visit Harvard Apparatus.