PTFE Diaphragm, 2/pk Back Catalog number: 11-2891 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11184 Lamp Housing Window Assembly Price on request CTS-A11336-02 Cartridge, Intelligent Valve, 2/pk Price on request CTS-21075 Tube Assy, BSM Outlet to SM Price on request