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 11-4152 Tubing D-L Assembly Price on request CTS-21075 Tube Assy, BSM Outlet to SM Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request