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-10758 Pump Seals, High Pressure Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request CTS-A103 Outlet Check Valve Price on request