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 11-1596 Piston Assembly, Sapphire Price on request CTS-A11336 Cartridge, Intelligent Valve Price on request CTS-0721 Outlet Check Valve Assembly Price on request