Seal, Wash Back Catalog number: 11-1603 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request 11-2569 Seal Extension Tube Price on request 228-35146-00ASP Plunger Seal for Shimadzu Price on request