Black Plunger Seal Back Catalog number: CTS-6613 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10396 Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Price on request CTS-5746 Reference Valve Rebuild Kit Price on request CTS-7550 Performance Autosampler Needle Price on request