Plunger Seal Back Catalog number: CTS-10340 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request 11-3601 ACQUITY H SM-FTN Performance Main. Kit,700005236 n Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request