Other alloys and sizes are available via special quote.Ordering Information:Coupler SizeMaterialPipe Size & Schedule Number or Tube O.D.Wall ThicknessAvailable with STA-LOK II hardwareButt or Socket WeldExample:Coupler Size: 3"Material: AluminumPipe Size: 3"Butt WeldAlso available in HastelloyMade in the U.S.A.All registered trademarks are the property of their respective owners.