ZoroSelect Structural Pipe Fitting, Side Outlet Elbow, Cast Iron, 1.25 in Pipe Size, 50000 lb Tensile Strength - Walmart.com
SteelTek 1-1/4-in Structural Galvanized Single Socket Tee in the Structural Pipe & Fittings department at Lowes.com
Adj Flange, 2 in For Pipe Size, Structural Pipe Fitting - 30LX07|30LX07 - Grainger
eoere 8 Sets 4 Way Structural Pipe Connector, Metal Clamp Fittings, Fit for 1"(O.D. 25.4 mm) Stainless Steel Pipe (Doesn't fit US 1" Electrical-Metallic Tubing) - Amazon.com