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-10988 2690/2695 Performance Maintenance Kit Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request