Amazon.com: 304 Stainless Steel Compression Fitting Ferrule, 3/8" Tube OD x 1/4" NPT,3/8" Tube OD x 3/8" NPT,3/8" Tube OD x 1/2" NPT Male, Straight Adapter Connect with Ferrules (NPT1/2-1/4"OD) : Industrial
Amazon.com: 316 Stainless Steel 1/4” NPT Female Three Way Tee Joint - Taper Hex Thread for Air, Liquid, Water, Oil or Hydraulic Fitting - Industrial Air Tool Hose Pipe Connections 316SS : Industrial & Scientific
Amazon.com: 316 Stainless Steel 3/8” NPT Male Three Way Tee Joint - Taper Hex Thread for Air, Liquid, Water, Oil or Hydraulic Fitting - Industrial Air Tool Hose Pipe Connections 316SS : Industrial & Scientific
TOCHUN 2pcs Pipe Fittings,Stainless Steel 1/2 NPT Female to 1/2 NPT Female Straight Hex Coupler/Coupling for Air, Liquid or Hydraulic Fitting,Industrial Air Tool Hose: Amazon.com: Industrial & Scientific
Amazon.com: TAISHER 304 Stainless Steel Pipe Fitting, Hex Nipple, Coupling, 1/2 x 1/2 NPT Male Thread Pipe, 1/2 x 1/2 NPT Female Thread Pipe : Industrial & Scientific