3/4 in. Galvanized Steel Side Outlet Elbow fittings. — PIPE DECOR
1/2" Side Outlet Elbow, Home TZH Cast Malleable Iron 3 Way Corner Pipe Fitting for Industrial vintage style DIY Project/Furniture/Shelving Decoration (4, 1/2") - Amazon.com
90 Degree 3-Way Zinc Alloy Rail Elbow Fitting Brushed for 25mm/1" OD - Silver Tone - Bed Bath & Beyond - 36115081
STZ Pipe Decor 1/2 in. 3-Way Black Iron 90° Pipe Side Outlet Elbow (4-Pack) 360 SOE-12-4 - The Home Depot
22mm 25mm 3 Way Corner Tee Joint 316 Stainless Steel Handrail Elbow Pipe Fitting | eBay
Source 3 Way Elbow Pipe Fittings 90 Degree 316 Stainless Steel Square Tube Connector 50mm on m.alibaba.com