Plunger Wash Seal Back Catalog number: CTS-10391 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request CTS-10758 Pump Seals, High Pressure Price on request CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request