Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21243 1/16'' Ferrule set, 2/pk Price on request PL7075350 MarvelXACT PLS 75µm x 350mm Price on request CTS-10693 Plunger Seal Price on request