Needle Seat Back Catalog number: 11-2570 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-2324 Needle Wash Frit Price on request CTS-21106 Seal Wash PM Kit Price on request CTS-10396 Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Price on request