Amazon.com: TAISHER 304 Stainless Steel Pipe Fitting, Hex Nipple, Coupling,1 /4 x 1/4 NPT Male Thread Pipe, 1/4 x 1/4 NPT Female Thread Pipe : Industrial & Scientific
Pipe Fittings - Steel Couplings 1/4" x 1/4"
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
PIPE DECOR 1 in. 5-Way Galvanized Iron Cross with Side Outlet Fitting (4-Pack) PDG CRSO-1-4 - The Home Depot
1/8" 1/4" 3/8" 1/2" 3/4" 1" BSP Male Thread Long Nipple 304 Stainless Steel Pipe Fitting Connector Adapter
316 Stainless Steel, 1/4 in x 1/4 in Fitting Pipe Size, 90° Street Elbow - 1DGJ2|4-4 SE-SS - Grainger
SteelTek 1-1/4-in Structural Galvanized Single Socket Tee in the Structural Pipe & Fittings department at Lowes.com