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-21564 Needle, Uncoated 10 Series Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request 11-3601 ACQUITY H SM-FTN Performance Main. Kit,700005236 n Price on request