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 11-1603 Seal, Wash Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-00230-02 O-Ring, PTFE Price on request