WYNNsky Industrial Air Coupler and Plug Kit, 3/8 Inch High Flow Body Size, 1/4 Inch NPT Threads Size, Steel Material, 9 Pieces Air Compressor Hose Accessories Fittings - - Amazon.com
Stainless Steel Fittings
47208 - Compression Tube Fitting to JIC | HydraulicsDirect.com
16pc Stainless Steel Fitting Set for 3/16 Tubing
Male+male+female Threaded 3 Way Tee T Pipe Fitting 1/2" 3/4" 1" Bsp Threaded Ss304 Stainless Steel - Pipe Fittings - AliExpress