Needle Kit, 15 µL with Needle Seat and Needle Guid Back Catalog number: CTS-21287 Availability: In the manufacturer's stock Price on request - + Recommended 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request CTS-A094 Check Valve Cartridge, 2/pk Price on request