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 11-4150 Tubing D-R Assembly Price on request CTS-21266 Bearing Ring Price on request CTS-10692 HPMV Gold Seals, 2/pk Price on request