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 PL7025600 MarvelXACT PLS 25µm x 600mm Price on request CTS-21480 Check Valve, Cartridge Price on request CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request