Needle Seat Back Catalog number: 11-2570 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-00230-02 O-Ring, PTFE Price on request 11-3601 ACQUITY H SM-FTN Performance Main. Kit,700005236 n Price on request CTS-21566 PM Kit, Seal Wash for Binary Pump G4204A Price on request