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-A159 Inlet Check Valve Price on request CTS-21095 Seal Wash (0.0787 ID, Fixed, Bio), 2/pk Price on request CTS-21219 Piston, Ceramic Price on request