PM Kit (4500, 5500, 6500) Back Catalog number: CTS-21568 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21741 O-ring, PTFE 10/pk Price on request G1313-87306 PEEK Capillary, 0.25mm id, 160mm 69,19 € CTS-21692 ACQUITY® ISM Performance Maintenance Kit Price on request