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-A157 Outlet Check Valve Price on request CTS-10694 Plunger Seal Price on request CTS-10988 2690/2695 Performance Maintenance Kit Price on request