Plunger Seal Back Catalog number: CTS-10693 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21421 PM Kit, 1290 Binary Pump Price on request CTS-11312 PEEK™ Rotor, HPV Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request