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 PS7075350 MarvelXACT™ PEEKsil™ 75µm ID x 350mm Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request