Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21192 Cartridge, BioAcquity, I2V Price on request PS7050150 MarvelXACT™ PEEKsil™ 50µm ID x 150mm Price on request CTS-21526 Jig, Diaphragm Price on request