3/4" 4-Way Side Outlet Tee, Home TZH Malleable iron Pipe Fittings for Industrial vintage style, Flanges with Threaded Hole for DIY Project/Furniture/Shelving Decoration (10, 3/4") - Amazon.com
Unique Bargains Stainless Steel Tee Pipe Fitting Y Shaped 3 Way 3/4 BSPT Female Class Connector Coupler Silver - Walmart.com