Check Valve Cartridge, 2/pk Back Catalog number: CTS-10493 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PS7100150 MarvelXACT™ PEEKsil™ 100µm ID x 150mm Price on request 11-4063 Outlet Check Valve Price on request CTS-0721 Outlet Check Valve Assembly Price on request