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 CTS-11313 PEEK™ Rotor, LPV Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request CTS-11435 Seal, Needle PEEK™ Price on request