Check Valve Cartridge, 2/pk Back Catalog number: CTS-10600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11093-02 Plunger, 2/pk Price on request 11-3343 Tungsten Lamp Price on request 11-1239 Ferrule, 1/16", SS, 10/pk Price on request