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-21591 PM Kit, G4226A Price on request CTS-A11336-02 Cartridge, Intelligent Valve, 2/pk Price on request CTS-8068 Quartz Lens Price on request