Inlet Check Valve Cartridge Back Catalog number: CTS-0621 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request PS7100350 MarvelXACT™ PEEKsil™ 100µm ID x 350mm Price on request 11-1597 Piston Assembly, TZP Price on request