Inlet Check Valve Back Catalog number: CTS-A145 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request CTS-11093-02 Plunger, 2/pk Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request