Valve Cartridge, Bio-compatible, NCS/NCP, 2G Back Catalog number: CTS-21743 Availability: In the manufacturer's stock Price on request - + Recommended G1311-68711 Active seal wash kit for iso/quat pumps 1 700,13 € G1310-68730 PM Kit for isocratic/quaternary pump 340,61 € G3440-88000 Column Depth Guide 61,61 €