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 11-3897 Plunger Holder Price on request CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request 11-2569 Seal Extension Tube Price on request