Plunger Seal Back Catalog number: CTS-10694 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5559 Priming Syringe Needle Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request