Gold Plunger Seal, Analytical Heads Back Catalog number: CTS-10548 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-3102 Sapphire Plunger Price on request CTS-2369 Sapphire Plunger Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request