The 1260 Infinity III Flexible Pump is a quaternary UHPLC pump that provides gradient formation and solvent blending from up to four solvents. This UHPLC pump enables quaternary solvent delivery at pressures up to 800 bar and flow rates up to 5 mL/min.The 1260 Infinity III Flexible Pump combines high performance and simplified operation with highest flexibility in automated gradient formation and solvent blending. This UHPLC pump also facilitates seamless method transfer using ISET and automated buffer blending.