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 11-4150 Tubing D-R Assembly Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request CTS-5464 Clip Ring, Plunger Retainer Price on request