Rotor Seal, H-Assy, 6 Port 2-Position Back Catalog number: CTS-21171 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21243 1/16'' Ferrule set, 2/pk Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request 11-1599 Check Valve Assembly, Outlet Price on request