Female Union -3 Steel 1/8" port Three sizes are available:

Three sizes are available:

available in -10 & -12

all filters come standard with our sleek black anodized finish for added durability and style

Highly compatible

200 Series has been an industry standard since the mid 60’s when it was first used as brake lines to reduce expansion and provide a much firmer “pedal” and more consistent braking

Female Union -3 Steel 1/8" port Three sizes are available:Our popular 131 Series fittings are now also available in steel, designed specifically to suit 3 applications. If you need to join two male 3 fittings together, this union is the perfect solution. What sets our female unions apart is the unique design: one end features a solid 37 flare with an internal O ring seal, while the other end has a swivel nut. This construction makes the fitting stronger and more compact, which is crucial when connecting