Outlet Check Valve Back Catalog number: CTS-A121 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1601 Seal, GFP, High Pressure, Piston Price on request CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request CTS-21262 Needle, Uncoated 20 Series Price on request