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-A125 Inlet Check Valve Assembly Price on request CTS-10693 Plunger Seal Price on request 11-4126 Plunger Seal and Back Up Ring Price on request