Plunger Seals, 4/pk Back Catalog number: CTS-2294-04 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21480 Check Valve, Cartridge Price on request 11-3889 Needle Seat Assembly, 0.12mm ID Price on request CTS-11091 ACQUITY BSM Performance Maintenance Kit Price on request