Metalwork 304 Stainless Steel Pipe Fitting, Street Tee, Male Run Tee, 1/2" NPT Male x 1/2" NPT Female x 1/2" NPT Female, 1 Pc: Amazon.com: Industrial & Scientific
Amazon.com: Horiznext NPT 1" male thread to 1 inch O.D. barb stainless steel pipe fitting, for connecting 1 inch I.D. air hose tubing, pack of 2 pcs : Industrial & Scientific
Southland 1/2 in. Black Malleable Iron FPT x FPT Union Fitting 521-703HN - The Home Depot
Amazon.com: 304 Metal Stainless Steel Pipe Fitting, Coupling, Npt 1/2 x Npt 1/2 Inch Female Pipe 1 Piece : Industrial & Scientific
10 Sets 1 Inch 90 Degree Structural Pipe Connector 3 Way Metal Joint Chain Link Fence Clamp, Stainless Steel 201 Corner Fitting End Rails Clamps, Thickness 1.8mm - Amazon.com