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Marine grade anodized aluminum pipe with 90 degree bend.
Charlotte Pipe 2 in. x 2 in. 90 Degree PVC Socket x Socket Elbow Fitting PVC023001600HD - The Home Depot
Buy Wholesale China 90-degree 4-d Bend Pipe Elbow, Made Of Carbon And Alloy Steel, Used In The Chemical Industry & 90-degree 4-d Bend Pipe Elbow | Global Sources