Check Valve Cartridge, 2/pk Back Catalog number: CTS-10600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-00230-02 O-Ring, PTFE Price on request PL7050150 MarvelXACT PLS 50µm x 150mm Price on request 11-2587 Piston Seal Wash Seal/Priming Valve Seal Price on request