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-11010 515 Performance Maintenance Kit Price on request CTS-10985 600/610 Performance Maintenance Kit Price on request CTS-A11145 Tube Assy, System Outlet, SDS Price on request