Check Valve Cartridge, 2/pk Back Catalog number: CTS-10493 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10566 Alliance Head Plunger Seal Kit, 2/pk Price on request PS7075150 MarvelXACT™ PEEKsil™ 75µm ID x 150mm Price on request 11-1599 Check Valve Assembly, Outlet Price on request