Sioux Chief Copper F1807 Open Manifold System (5-Port)Sioux Chief ASTM Copper F1807 Manifold System shall be used in plumbing systems for safe distribution of hot or cold water. The Crimp PEX copper manifold features 1 4 turn PEX brass shut off ball valves. Ports are 2 in. on center. Constructed of a Type L copper trunk with lead free brass shut off valves. Works with crimp or clamp PEX connection systems 3 4 inch crimp inlet: 3 4 inch crimp outlet 1 2 inch PEX crimp ball valves Open trunk Type L copper