AirCraft Metal PU Fitting Straight Union 4mm (SG MPUC04)
At a Glance; Compact straight union to join two 4mm push-in pneumatic tubes in-line.
The AirCraft SG MPUC04 Metal PU Fitting Straight is the no-drama way to connect two 4mm pneumatic/PU tubes in a clean, in-line run. Whether you’re extending a line, repairing a cut section, or building a neat pneumatic layout, this straight union coupler gives you a quick, secure push-in connection on both ends. With durable metal construction and a compact profile, it’s a solid choice for workshop and industrial compressed-air setups where tidy routing and reliable sealing matter.
Quick, tidy tube-to-tube connection with an AirCraft metal straight union
Ideal for line extensions and repairs, this push-in coupler keeps your 4mm pneumatic tubing neatly joined and easy to service.