The lead-free wrought copper solder pressure 90-degree close rough elbow is used in residential and commercial systems such as potable water, air conditioning and refrigeration. The 90-degree elbow features solder cups and a close rough radius. The fitting provides a means of changing the pipeline direction 90 degree. It is used when velocity is not a problem. In addition to its inherent qualities of beauty, durability and low maintenance, copper's reusability makes it an ideal application in sustainable projects. Features: 1/2 in. Inside Diameter and 0.625 in. Outside Diameter Copper construction For use with aboveground water-supply piping Changes the direction of piping 90 degree Dezincification resistant Features solder cups and a close rough radius Ideal for potable water, air conditioning and refrigeration