The 3.0mm duplex furcation tube is designed for the protection of 250µm, 400µm and 900µm coated fibers. It accepts one up to 900µm diameter fiber. The structure is a duplex 3.00mm outer PVC jacket, aramid yarn, and an inner tube. Inner tube O.D.: 1.8mm. Inner Tube I.D.: 1.1mm. Inner tube has a pull string pre-installed. Outer PVC jacket is Aqua colored.