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-21567 PM Kit, Seal Wash for Binary Pump G4240A Price on request CTS-5313 Compression Screw, SS Price on request CTS-2294-04 Plunger Seals, 4/pk Price on request