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-A11151 Needle Assembly, PEEK™ Price on request CTS-10600 Check Valve Cartridge, 2/pk Price on request CTS-A11342 Tube Assembly, Transducer to Check Valve Price on request