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-A145 Inlet Check Valve Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request CTS-10547 Pump Seal, Gold Price on request