Plunger Seal, Gold Back Catalog number: CTS-2061 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request 11-4073 LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Price on request CTS-10963 Gold Plunger Seal Price on request