Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Back Catalog number: CTS-10396 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4052 Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-10600 Check Valve Cartridge, 2/pk Price on request CTS-5669 Oil Seal Price on request