Check Valve Cartridge, Ceramic, 2/pk Back Catalog number: CTS-21463 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10711 Alliance Head Plunger Seal Kit, Black, 2/pk Price on request CTS-0038 Tube, Right Inlet Pigtail Price on request CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request