PTFE Diaphragm, 2/pk Back Catalog number: 11-2891 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-6613 Black Plunger Seal Price on request 11-4180 LPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-10600 Check Valve Cartridge, 2/pk Price on request