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-A11336 Cartridge, Intelligent Valve Price on request CTS-5313 Compression Screw, SS Price on request CTS-10759 Piston Seal Backup Ring Price on request