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45 Degree Elbow Aluminum 4" Male Camlock Fitting x 4" Female Camlock (USA)
Aluminum, 90° Elbows, 4" Size, Aluminum and Stainless Steel
Amazon.com: AC PERFORMANCE OD 4" (102mm), 90 Degree Bend Elbow 4 Inch 6061 Aluminum Pipe Tube Intercooler Pipe High Class Brushed Treatment Tight Radius Air Intake Tube : Industrial & Scientific