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-21591 PM Kit, G4226A Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request