Stainless Steel Double Ferrule Bulkhead Unions - 7/8" OD
Ferrule Fittings, Compression Fittings Manufacturer in India
Amazon.com: Metalwork 304 Stainless Steel Compression Tube Fitting Union W/Double Ferrule 1/4" OD x 1/4" OD (2 Pcs) : Industrial & Scientific
Tube / Double Ferrule Fittings - CHUAN KOK
Source Reducing union double ferrule tube fitting/double ferrule compression fitting/straight union 3/8 tube fitting for water gas oil on m.alibaba.com
DK-LOK® USA DK-LOK® Stainless Steel Double Ferrule Tube Fittings
Ferrule Fittings - RFS Hydraulics
2pcs 3/8" Od Equal Double Ferrule Tube Fitting Straight Union Connector Stainless Steel 304 - Pipe Fittings - AliExpress