Sapphire Plunger Back Catalog number: CTS-5656 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request CTS-10772 Pump Seals, Low Pressure Price on request CTS-11091 ACQUITY BSM Performance Maintenance Kit Price on request