Sapphire Plunger Back Catalog number: CTS-10323 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21075 Tube Assy, BSM Outlet to SM Price on request CTS-10758 Pump Seals, High Pressure Price on request 11-1239 Ferrule, 1/16", SS, 10/pk Price on request