Kee Lite Type L15 Aluminum Pipe Fittings - 90 Degree Elbows | Hoover Fence Co.
Aluminum Pipe Coupling - PDQuipment
Amazon.com: Structural Pipe Fitting, 1-1/4" Side 3-Outlet Elbow, 11L-7, Aluminum Magnesium, Please note. ID of fitting is 1.68, to take nominal 1-1/ 4" steel pipe which all have an OD of 1.66". :
1/4 X 24 Aluminum Pipe Nipple | Agri Supply
Source Decorative aluminum pipe fitting end cap on m.alibaba.com
5 pc) NEW Aluminum Coupling Tubular Threaded 4" inch Connector Fitting Pipe | eBay
Aluminum NPT Half Coupling – Boyd Welding LLC
1/4" ALUMINUM TUBING - 3-FT STICK (a.k.a. HARD LINE - HARDLINE) - AVS