Agilent provides a range of high-quality column switching valves to automate your method development. InfinityLab Quick Change Valves are specially designed for Agilent HPLC applications offering more flexibility in solvent selection and column selection, enhanced automation capabilities, as well as increased sample throughput.For each column switching valve, Agilent provides capillary kits containing capillaries and fittings available in various sizes and materials to meet your method development needs.