TFE 3-Way Valve 4 (V4) Back Catalog number: CTS-10285 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-0721 Outlet Check Valve Assembly Price on request CTS-21262 Needle, Uncoated 20 Series Price on request CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request