Sapphire Plunger Back Catalog number: CTS-10475-1 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4052 Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-10758 Pump Seals, High Pressure Price on request CTS-5313 Compression Screw, SS Price on request