PTFE Diaphragm, LC-30AD/i-Series, 2/pk Back Catalog number: 11-4122 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-11434 Sapphire Plunger Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request CTS-10583 Plunger Rinse Seal Price on request