Check Valve Cartridge, 2/pk Back Catalog number: CTS-10600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11371 ACQUITY I2V BSM Performance Maintenance Kit Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request PS7050350 MarvelXACT™ PEEKsil™ 50µm ID x 350mm Price on request