The Eppendorf Varispenser and Varispenser plus are the ideal choices for dispensing aliquots of liquid from supply and reagent bottles. Available in 6 sizes for dispensing volumes from 0.5 100 mL, the design of these instruments make them capable of consistently dispensing selected volumes without reagent waste. All Varispenser bottletop dispensers are fully autoclavable for maximum safety in your lab. The Varispenser plus provides additionally a recirculation valve to prevent reagent loss while ventilating and a simple calibration function. Features Wide range of volumes (6 sizes) PFA seal of the sliding piston prevents seizing Precision piston prevents liquid efflorescence