Check Valve Cartridge, 2/pk Back Catalog number: CTS-10493 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PS7050150 MarvelXACT™ PEEKsil™ 50µm ID x 150mm Price on request CTS-A11336-02 Cartridge, Intelligent Valve, 2/pk Price on request CTS-5531-05 Solvent Bottle Filter, 5/pk Price on request