The 4TUBE-5/32TUBE UNION STR from Fittings Unlimited Inc is a precision-engineered tube union fitting designed for seamless connections in fluid systems. With a 4mm tube size and a 5/32 inch tube diameter, this fitting is perfect for applications requiring tight seals and reliable performance. Constructed from high-quality materials, it meets industry standards for safety and durability. Ideal for use in pneumatic and hydraulic systems, this union fitting ensures efficient fluid transfer and is suitable for both professional and DIY projects.