Inlet Check Valve Cartridge Back Catalog number: CTS-0621 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21164 Rotor Seal, 6 port, Rear Price on request CTS-11313 PEEK™ Rotor, LPV Price on request CTS-21100 UPLC Check Valve Assy, Spring Loaded Price on request