Inlet Check Valve Back Catalog number: CTS-21145 Availability: In the manufacturer's stock Price on request - + Recommended 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request