Seal, Needle PEEK™ Back Catalog number: CTS-11435 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10597 Wash Tube Seal Kit, 4/pk Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request CTS-10396 Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Price on request