Needle, Uncoated 10 Series Back Catalog number: CTS-21564 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A094 Check Valve Cartridge, 2/pk Price on request CTS-21015 Ferrule, 1/16", SS, 3/pk Price on request CTS-11091 ACQUITY BSM Performance Maintenance Kit Price on request