TFE 3-Way Valve 4 (V4) Back Catalog number: CTS-10285 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1596 Piston Assembly, Sapphire Price on request CTS-0621 Inlet Check Valve Cartridge Price on request CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request