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-A126 Outlet Check Valve Assembly Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-5531-05 Solvent Bottle Filter, 5/pk Price on request