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-3102 Sapphire Plunger Price on request CTS-21422 Needle Seal Kit Price on request CTS-A11095 Check Valve, Double Ball & Seat Price on request