The 3TUBE-3BKHD TUBE STR. by Fittings Unlimited Inc is a robust tube fitting designed for high-performance applications. With a size of 3mm, this fitting ensures optimal flow and pressure management. Made from durable materials, it meets industry standards for quality and reliability. Its precise dimensions and threading allow for seamless integration into various systems, making it ideal for plumbing and HVAC professionals. This fitting is engineered to withstand high pressures, providing a dependable solution for demanding environments.