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-0621 Inlet Check Valve Cartridge Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request CTS-10988 2690/2695 Performance Maintenance Kit Price on request