Kee Lite Type L61 Aluminum Pipe Fittings - Non Structural Flanges | Hoover Fence Co.
6061 Butt-Weld TEE On Aluminum Distributing, Inc. d/b/a ADI Metal
USA Industrials - Aluminum Pipe Fittings; Material Grade: Class 150 - 28845469 - MSC Industrial Supply
Amazon.com: Structural Pipe Fitting, DIY Outdoor - 1-1/2" Adjustable Base Flange, 89A-8, Aluminum Magnesium, Note: ID of fitting is 1.925, to take nominal 1-1/2" steel pipe which all have an OD of