Outlet Check Valve Back Catalog number: CTS-A103 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request CTS-10942 Rotor Seal Price on request