Sapphire Plunger, Alliance Back Catalog number: CTS-10476 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2891 PTFE Diaphragm, 2/pk Price on request CTS-10692 HPMV Gold Seals, 2/pk Price on request CTS-11282 1525 Performance Maintenance Kit Price on request