Copper Nickel Plating Ferrule Compression Pipe Fitting Connector Thread 1/8 1/4 3/8 OD 4 6 8 10 12mm Tube Adapter PC PCF PL PB - AliExpress
3/8 in. Tube O.D. x 1/4 in. Male AN - AN Union - Double Ferrule - 316 Stainless Steel Compression Tube Fitting
China Custom Compression Fittin Manufacturer, Supplier - Stainless Steel Compression Tube Fittings - JIAYUAN